30787380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{223}}^1$

素因数の和:310

約数の個数: 144

約数和(自身を含む): 102735360

約数和(自身を除く): 71947980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 59, 60, 65, 78, 90, 117, 118, 130, 156, 177, 180, 195, 223, 234, 236, 260, 295, 354, 390, 446, 468, 531, 585, 590, 669, 708, 767, 780, 885, 892, 1062, 1115, 1170, 1180, 1338, 1534, 1770, 2007, 2124, 2230, 2301, 2340, 2655, 2676, 2899, 3068, 3345, 3540, 3835, 4014, 4460, 4602, 5310, 5798, 6690, 6903, 7670, 8028, 8697, 9204, 10035, 10620, 11505, 11596, 13157, 13380, 13806, 14495, 15340, 17394, 20070, 23010, 26091, 26314, 27612, 28990, 34515, 34788, 39471, 40140, 43485, 46020, 52182, 52628, 57980, 65785, 69030, 78942, 86970, 104364, 118413, 130455, 131570, 138060, 157884, 171041, 173940, 197355, 236826, 260910, 263140, 342082, 394710, 473652, 513123, 521820, 592065, 684164, 789420, 855205, 1026246, 1184130, 1539369, 1710410, 2052492, 2368260, 2565615, 3078738, 3420820, 5131230, 6157476, 7696845, 10262460, 15393690, 30787380]

約数ペア:

[(1, 30787380), (2, 15393690), (3, 10262460), (4, 7696845), (5, 6157476), (6, 5131230), (9, 3420820), (10, 3078738), (12, 2565615), (13, 2368260), (15, 2052492), (18, 1710410), (20, 1539369), (26, 1184130), (30, 1026246), (36, 855205), (39, 789420), (45, 684164), (52, 592065), (59, 521820), (60, 513123), (65, 473652), (78, 394710), (90, 342082), (117, 263140), (118, 260910), (130, 236826), (156, 197355), (177, 173940), (180, 171041), (195, 157884), (223, 138060), (234, 131570), (236, 130455), (260, 118413), (295, 104364), (354, 86970), (390, 78942), (446, 69030), (468, 65785), (531, 57980), (585, 52628), (590, 52182), (669, 46020), (708, 43485), (767, 40140), (780, 39471), (885, 34788), (892, 34515), (1062, 28990), (1115, 27612), (1170, 26314), (1180, 26091), (1338, 23010), (1534, 20070), (1770, 17394), (2007, 15340), (2124, 14495), (2230, 13806), (2301, 13380), (2340, 13157), (2655, 11596), (2676, 11505), (2899, 10620), (3068, 10035), (3345, 9204), (3540, 8697), (3835, 8028), (4014, 7670), (4460, 6903), (4602, 6690), (5310, 5798)]