30840040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:96

約数の個数: 256

約数和(自身を含む): 99532800

約数和(自身を除く): 68692760

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 17, 19, 20, 22, 28, 31, 34, 35, 38, 40, 44, 55, 56, 62, 68, 70, 76, 77, 85, 88, 95, 110, 119, 124, 133, 136, 140, 152, 154, 155, 170, 187, 190, 209, 217, 220, 238, 248, 266, 280, 308, 310, 323, 340, 341, 374, 380, 385, 418, 434, 440, 476, 527, 532, 589, 595, 616, 620, 646, 665, 680, 682, 748, 760, 770, 836, 868, 935, 952, 1045, 1054, 1064, 1085, 1178, 1190, 1240, 1292, 1309, 1330, 1364, 1463, 1496, 1540, 1615, 1672, 1705, 1736, 1870, 2090, 2108, 2170, 2261, 2356, 2380, 2387, 2584, 2618, 2635, 2660, 2728, 2926, 2945, 3080, 3230, 3410, 3553, 3689, 3740, 4123, 4180, 4216, 4340, 4522, 4712, 4760, 4774, 5236, 5270, 5320, 5797, 5852, 5890, 6460, 6479, 6545, 6820, 7106, 7315, 7378, 7480, 8246, 8360, 8680, 9044, 9548, 10013, 10472, 10540, 11305, 11594, 11704, 11780, 11935, 12920, 12958, 13090, 13640, 14212, 14630, 14756, 16492, 17765, 18088, 18445, 19096, 20026, 20615, 21080, 22610, 23188, 23560, 23870, 24871, 25916, 26180, 28424, 28985, 29260, 29512, 32395, 32984, 35530, 36890, 40052, 40579, 41230, 45220, 45353, 46376, 47740, 49742, 50065, 51832, 52360, 57970, 58520, 64790, 70091, 71060, 73780, 80104, 81158, 82460, 90440, 90706, 95480, 99484, 100130, 110143, 115940, 124355, 129580, 140182, 142120, 147560, 162316, 164920, 181412, 198968, 200260, 202895, 220286, 226765, 231880, 248710, 259160, 280364, 324632, 350455, 362824, 400520, 405790, 440572, 453530, 497420, 550715, 560728, 700910, 771001, 811580, 881144, 907060, 994840, 1101430, 1401820, 1542002, 1623160, 1814120, 2202860, 2803640, 3084004, 3855005, 4405720, 6168008, 7710010, 15420020, 30840040]

約数ペア:

[(1, 30840040), (2, 15420020), (4, 7710010), (5, 6168008), (7, 4405720), (8, 3855005), (10, 3084004), (11, 2803640), (14, 2202860), (17, 1814120), (19, 1623160), (20, 1542002), (22, 1401820), (28, 1101430), (31, 994840), (34, 907060), (35, 881144), (38, 811580), (40, 771001), (44, 700910), (55, 560728), (56, 550715), (62, 497420), (68, 453530), (70, 440572), (76, 405790), (77, 400520), (85, 362824), (88, 350455), (95, 324632), (110, 280364), (119, 259160), (124, 248710), (133, 231880), (136, 226765), (140, 220286), (152, 202895), (154, 200260), (155, 198968), (170, 181412), (187, 164920), (190, 162316), (209, 147560), (217, 142120), (220, 140182), (238, 129580), (248, 124355), (266, 115940), (280, 110143), (308, 100130), (310, 99484), (323, 95480), (340, 90706), (341, 90440), (374, 82460), (380, 81158), (385, 80104), (418, 73780), (434, 71060), (440, 70091), (476, 64790), (527, 58520), (532, 57970), (589, 52360), (595, 51832), (616, 50065), (620, 49742), (646, 47740), (665, 46376), (680, 45353), (682, 45220), (748, 41230), (760, 40579), (770, 40052), (836, 36890), (868, 35530), (935, 32984), (952, 32395), (1045, 29512), (1054, 29260), (1064, 28985), (1085, 28424), (1178, 26180), (1190, 25916), (1240, 24871), (1292, 23870), (1309, 23560), (1330, 23188), (1364, 22610), (1463, 21080), (1496, 20615), (1540, 20026), (1615, 19096), (1672, 18445), (1705, 18088), (1736, 17765), (1870, 16492), (2090, 14756), (2108, 14630), (2170, 14212), (2261, 13640), (2356, 13090), (2380, 12958), (2387, 12920), (2584, 11935), (2618, 11780), (2635, 11704), (2660, 11594), (2728, 11305), (2926, 10540), (2945, 10472), (3080, 10013), (3230, 9548), (3410, 9044), (3553, 8680), (3689, 8360), (3740, 8246), (4123, 7480), (4180, 7378), (4216, 7315), (4340, 7106), (4522, 6820), (4712, 6545), (4760, 6479), (4774, 6460), (5236, 5890), (5270, 5852), (5320, 5797)]