56878380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{223}}^1$

素因数の和:360

約数の個数: 144

約数和(自身を含む): 188348160

約数和(自身を除く): 131469780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 109, 117, 130, 156, 180, 195, 218, 223, 234, 260, 327, 390, 436, 446, 468, 545, 585, 654, 669, 780, 892, 981, 1090, 1115, 1170, 1308, 1338, 1417, 1635, 1962, 2007, 2180, 2230, 2340, 2676, 2834, 2899, 3270, 3345, 3924, 4014, 4251, 4460, 4905, 5668, 5798, 6540, 6690, 7085, 8028, 8502, 8697, 9810, 10035, 11596, 12753, 13380, 14170, 14495, 17004, 17394, 19620, 20070, 21255, 24307, 25506, 26091, 28340, 28990, 34788, 40140, 42510, 43485, 48614, 51012, 52182, 57980, 63765, 72921, 85020, 86970, 97228, 104364, 121535, 127530, 130455, 145842, 173940, 218763, 243070, 255060, 260910, 291684, 315991, 364605, 437526, 486140, 521820, 631982, 729210, 875052, 947973, 1093815, 1263964, 1458420, 1579955, 1895946, 2187630, 2843919, 3159910, 3791892, 4375260, 4739865, 5687838, 6319820, 9479730, 11375676, 14219595, 18959460, 28439190, 56878380]

約数ペア:

[(1, 56878380), (2, 28439190), (3, 18959460), (4, 14219595), (5, 11375676), (6, 9479730), (9, 6319820), (10, 5687838), (12, 4739865), (13, 4375260), (15, 3791892), (18, 3159910), (20, 2843919), (26, 2187630), (30, 1895946), (36, 1579955), (39, 1458420), (45, 1263964), (52, 1093815), (60, 947973), (65, 875052), (78, 729210), (90, 631982), (109, 521820), (117, 486140), (130, 437526), (156, 364605), (180, 315991), (195, 291684), (218, 260910), (223, 255060), (234, 243070), (260, 218763), (327, 173940), (390, 145842), (436, 130455), (446, 127530), (468, 121535), (545, 104364), (585, 97228), (654, 86970), (669, 85020), (780, 72921), (892, 63765), (981, 57980), (1090, 52182), (1115, 51012), (1170, 48614), (1308, 43485), (1338, 42510), (1417, 40140), (1635, 34788), (1962, 28990), (2007, 28340), (2180, 26091), (2230, 25506), (2340, 24307), (2676, 21255), (2834, 20070), (2899, 19620), (3270, 17394), (3345, 17004), (3924, 14495), (4014, 14170), (4251, 13380), (4460, 12753), (4905, 11596), (5668, 10035), (5798, 9810), (6540, 8697), (6690, 8502), (7085, 8028)]