15691129880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{6829}}^1$

素因数の和:6997

約数の個数: 128

約数和(自身を含む): 38947392000

約数和(自身を除く): 23256262120

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 31, 34, 40, 62, 68, 85, 109, 124, 136, 155, 170, 218, 248, 310, 340, 436, 527, 545, 620, 680, 872, 1054, 1090, 1240, 1853, 2108, 2180, 2635, 3379, 3706, 4216, 4360, 5270, 6758, 6829, 7412, 9265, 10540, 13516, 13658, 14824, 16895, 18530, 21080, 27032, 27316, 33790, 34145, 37060, 54632, 57443, 67580, 68290, 74120, 114886, 116093, 135160, 136580, 211699, 229772, 232186, 273160, 287215, 423398, 459544, 464372, 574430, 580465, 744361, 846796, 928744, 1058495, 1148860, 1160930, 1488722, 1693592, 2116990, 2297720, 2321860, 2977444, 3598883, 3721805, 4233980, 4643720, 5954888, 7197766, 7443610, 8467960, 12654137, 14395532, 14887220, 17994415, 23075191, 25308274, 28791064, 29774440, 35988830, 46150382, 50616548, 63270685, 71977660, 92300764, 101233096, 115375955, 126541370, 143955320, 184601528, 230751910, 253082740, 392278247, 461503820, 506165480, 784556494, 923007640, 1569112988, 1961391235, 3138225976, 3922782470, 7845564940, 15691129880]

約数ペア:

[(1, 15691129880), (2, 7845564940), (4, 3922782470), (5, 3138225976), (8, 1961391235), (10, 1569112988), (17, 923007640), (20, 784556494), (31, 506165480), (34, 461503820), (40, 392278247), (62, 253082740), (68, 230751910), (85, 184601528), (109, 143955320), (124, 126541370), (136, 115375955), (155, 101233096), (170, 92300764), (218, 71977660), (248, 63270685), (310, 50616548), (340, 46150382), (436, 35988830), (527, 29774440), (545, 28791064), (620, 25308274), (680, 23075191), (872, 17994415), (1054, 14887220), (1090, 14395532), (1240, 12654137), (1853, 8467960), (2108, 7443610), (2180, 7197766), (2635, 5954888), (3379, 4643720), (3706, 4233980), (4216, 3721805), (4360, 3598883), (5270, 2977444), (6758, 2321860), (6829, 2297720), (7412, 2116990), (9265, 1693592), (10540, 1488722), (13516, 1160930), (13658, 1148860), (14824, 1058495), (16895, 928744), (18530, 846796), (21080, 744361), (27032, 580465), (27316, 574430), (33790, 464372), (34145, 459544), (37060, 423398), (54632, 287215), (57443, 273160), (67580, 232186), (68290, 229772), (74120, 211699), (114886, 136580), (116093, 135160)]