221322640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:142

約数の個数: 320

約数和(自身を含む): 708526080

約数和(自身を除く): 487203440

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 19, 20, 22, 28, 31, 35, 38, 40, 44, 55, 56, 61, 62, 70, 76, 77, 80, 88, 95, 110, 112, 122, 124, 133, 140, 152, 154, 155, 176, 190, 209, 217, 220, 244, 248, 266, 280, 304, 305, 308, 310, 341, 380, 385, 418, 427, 434, 440, 488, 496, 532, 560, 589, 610, 616, 620, 665, 671, 682, 760, 770, 836, 854, 868, 880, 976, 1045, 1064, 1085, 1159, 1178, 1220, 1232, 1240, 1330, 1342, 1364, 1463, 1520, 1540, 1672, 1705, 1708, 1736, 1891, 2090, 2128, 2135, 2170, 2318, 2356, 2387, 2440, 2480, 2660, 2684, 2728, 2926, 2945, 3080, 3344, 3355, 3410, 3416, 3472, 3782, 4123, 4180, 4270, 4340, 4636, 4697, 4712, 4774, 4880, 5320, 5368, 5456, 5795, 5852, 5890, 6160, 6479, 6710, 6820, 6832, 7315, 7564, 8113, 8246, 8360, 8540, 8680, 9272, 9394, 9424, 9455, 9548, 10640, 10736, 11590, 11704, 11780, 11935, 12749, 12958, 13237, 13420, 13640, 14630, 15128, 16226, 16492, 16720, 17080, 17360, 18544, 18788, 18910, 19096, 20615, 20801, 23180, 23408, 23485, 23560, 23870, 25498, 25916, 26474, 26840, 27280, 29260, 30256, 32395, 32452, 32984, 34160, 35929, 37576, 37820, 38192, 40565, 41230, 41602, 45353, 46360, 46970, 47120, 47740, 50996, 51832, 52948, 53680, 58520, 63745, 64790, 64904, 65968, 66185, 71858, 75152, 75640, 81130, 82460, 83204, 89243, 90706, 92720, 93940, 95480, 101992, 103664, 104005, 105896, 117040, 127490, 129580, 129808, 132370, 143716, 145607, 151280, 162260, 164920, 166408, 178486, 179645, 181412, 187880, 190960, 203984, 208010, 211792, 226765, 251503, 254980, 259160, 264740, 287432, 291214, 324520, 329840, 332816, 356972, 359290, 362824, 375760, 395219, 416020, 446215, 453530, 503006, 509960, 518320, 529480, 574864, 582428, 649040, 713944, 718580, 725648, 728035, 790438, 832040, 892430, 907060, 1006012, 1019920, 1058960, 1164856, 1257515, 1427888, 1437160, 1456070, 1580876, 1664080, 1784860, 1814120, 1976095, 2012024, 2329712, 2515030, 2766533, 2874320, 2912140, 3161752, 3569720, 3628240, 3952190, 4024048, 5030060, 5533066, 5824280, 6323504, 7139440, 7904380, 10060120, 11066132, 11648560, 13832665, 15808760, 20120240, 22132264, 27665330, 31617520, 44264528, 55330660, 110661320, 221322640]

約数ペア:

[(1, 221322640), (2, 110661320), (4, 55330660), (5, 44264528), (7, 31617520), (8, 27665330), (10, 22132264), (11, 20120240), (14, 15808760), (16, 13832665), (19, 11648560), (20, 11066132), (22, 10060120), (28, 7904380), (31, 7139440), (35, 6323504), (38, 5824280), (40, 5533066), (44, 5030060), (55, 4024048), (56, 3952190), (61, 3628240), (62, 3569720), (70, 3161752), (76, 2912140), (77, 2874320), (80, 2766533), (88, 2515030), (95, 2329712), (110, 2012024), (112, 1976095), (122, 1814120), (124, 1784860), (133, 1664080), (140, 1580876), (152, 1456070), (154, 1437160), (155, 1427888), (176, 1257515), (190, 1164856), (209, 1058960), (217, 1019920), (220, 1006012), (244, 907060), (248, 892430), (266, 832040), (280, 790438), (304, 728035), (305, 725648), (308, 718580), (310, 713944), (341, 649040), (380, 582428), (385, 574864), (418, 529480), (427, 518320), (434, 509960), (440, 503006), (488, 453530), (496, 446215), (532, 416020), (560, 395219), (589, 375760), (610, 362824), (616, 359290), (620, 356972), (665, 332816), (671, 329840), (682, 324520), (760, 291214), (770, 287432), (836, 264740), (854, 259160), (868, 254980), (880, 251503), (976, 226765), (1045, 211792), (1064, 208010), (1085, 203984), (1159, 190960), (1178, 187880), (1220, 181412), (1232, 179645), (1240, 178486), (1330, 166408), (1342, 164920), (1364, 162260), (1463, 151280), (1520, 145607), (1540, 143716), (1672, 132370), (1705, 129808), (1708, 129580), (1736, 127490), (1891, 117040), (2090, 105896), (2128, 104005), (2135, 103664), (2170, 101992), (2318, 95480), (2356, 93940), (2387, 92720), (2440, 90706), (2480, 89243), (2660, 83204), (2684, 82460), (2728, 81130), (2926, 75640), (2945, 75152), (3080, 71858), (3344, 66185), (3355, 65968), (3410, 64904), (3416, 64790), (3472, 63745), (3782, 58520), (4123, 53680), (4180, 52948), (4270, 51832), (4340, 50996), (4636, 47740), (4697, 47120), (4712, 46970), (4774, 46360), (4880, 45353), (5320, 41602), (5368, 41230), (5456, 40565), (5795, 38192), (5852, 37820), (5890, 37576), (6160, 35929), (6479, 34160), (6710, 32984), (6820, 32452), (6832, 32395), (7315, 30256), (7564, 29260), (8113, 27280), (8246, 26840), (8360, 26474), (8540, 25916), (8680, 25498), (9272, 23870), (9394, 23560), (9424, 23485), (9455, 23408), (9548, 23180), (10640, 20801), (10736, 20615), (11590, 19096), (11704, 18910), (11780, 18788), (11935, 18544), (12749, 17360), (12958, 17080), (13237, 16720), (13420, 16492), (13640, 16226), (14630, 15128)]