2921670640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:232

約数の個数: 240

約数和(自身を含む): 8244918720

約数和(自身を除く): 5323248080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 61, 62, 70, 80, 89, 112, 122, 124, 140, 155, 178, 217, 244, 248, 280, 305, 310, 356, 427, 434, 445, 488, 496, 560, 610, 620, 623, 712, 854, 868, 890, 961, 976, 1085, 1220, 1240, 1246, 1424, 1708, 1736, 1780, 1891, 1922, 2135, 2170, 2440, 2480, 2492, 2759, 3115, 3416, 3472, 3560, 3782, 3844, 4270, 4340, 4805, 4880, 4984, 5429, 5518, 6230, 6727, 6832, 7120, 7564, 7688, 8540, 8680, 9455, 9610, 9968, 10858, 11036, 12460, 13237, 13454, 13795, 15128, 15376, 17080, 17360, 18910, 19220, 19313, 21716, 22072, 24920, 26474, 26908, 27145, 27590, 30256, 33635, 34160, 37820, 38003, 38440, 38626, 43432, 44144, 49840, 52948, 53816, 54290, 55180, 58621, 66185, 67270, 75640, 76006, 76880, 77252, 85529, 86864, 96565, 105896, 107632, 108580, 110360, 117242, 132370, 134540, 151280, 152012, 154504, 168299, 171058, 190015, 193130, 211792, 217160, 220720, 234484, 264740, 269080, 293105, 304024, 309008, 336598, 342116, 380030, 386260, 410347, 427645, 434320, 468968, 529480, 538160, 586210, 598703, 608048, 673196, 684232, 760060, 772520, 820694, 841495, 855290, 937936, 1058960, 1172420, 1178093, 1197406, 1346392, 1368464, 1520120, 1545040, 1641388, 1682990, 1710580, 2051735, 2344840, 2356186, 2394812, 2692784, 2993515, 3040240, 3282776, 3365980, 3421160, 4103470, 4689680, 4712372, 4789624, 5217269, 5890465, 5987030, 6565552, 6731960, 6842320, 8206940, 9424744, 9579248, 10434538, 11780930, 11974060, 13463920, 16413880, 18849488, 20869076, 23561860, 23948120, 26086345, 32827760, 36520883, 41738152, 47123720, 47896240, 52172690, 73041766, 83476304, 94247440, 104345380, 146083532, 182604415, 208690760, 292167064, 365208830, 417381520, 584334128, 730417660, 1460835320, 2921670640]

約数ペア:

[(1, 2921670640), (2, 1460835320), (4, 730417660), (5, 584334128), (7, 417381520), (8, 365208830), (10, 292167064), (14, 208690760), (16, 182604415), (20, 146083532), (28, 104345380), (31, 94247440), (35, 83476304), (40, 73041766), (56, 52172690), (61, 47896240), (62, 47123720), (70, 41738152), (80, 36520883), (89, 32827760), (112, 26086345), (122, 23948120), (124, 23561860), (140, 20869076), (155, 18849488), (178, 16413880), (217, 13463920), (244, 11974060), (248, 11780930), (280, 10434538), (305, 9579248), (310, 9424744), (356, 8206940), (427, 6842320), (434, 6731960), (445, 6565552), (488, 5987030), (496, 5890465), (560, 5217269), (610, 4789624), (620, 4712372), (623, 4689680), (712, 4103470), (854, 3421160), (868, 3365980), (890, 3282776), (961, 3040240), (976, 2993515), (1085, 2692784), (1220, 2394812), (1240, 2356186), (1246, 2344840), (1424, 2051735), (1708, 1710580), (1736, 1682990), (1780, 1641388), (1891, 1545040), (1922, 1520120), (2135, 1368464), (2170, 1346392), (2440, 1197406), (2480, 1178093), (2492, 1172420), (2759, 1058960), (3115, 937936), (3416, 855290), (3472, 841495), (3560, 820694), (3782, 772520), (3844, 760060), (4270, 684232), (4340, 673196), (4805, 608048), (4880, 598703), (4984, 586210), (5429, 538160), (5518, 529480), (6230, 468968), (6727, 434320), (6832, 427645), (7120, 410347), (7564, 386260), (7688, 380030), (8540, 342116), (8680, 336598), (9455, 309008), (9610, 304024), (9968, 293105), (10858, 269080), (11036, 264740), (12460, 234484), (13237, 220720), (13454, 217160), (13795, 211792), (15128, 193130), (15376, 190015), (17080, 171058), (17360, 168299), (18910, 154504), (19220, 152012), (19313, 151280), (21716, 134540), (22072, 132370), (24920, 117242), (26474, 110360), (26908, 108580), (27145, 107632), (27590, 105896), (30256, 96565), (33635, 86864), (34160, 85529), (37820, 77252), (38003, 76880), (38440, 76006), (38626, 75640), (43432, 67270), (44144, 66185), (49840, 58621), (52948, 55180), (53816, 54290)]