75402990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{223}}^1$

素因数の和:283

約数の個数: 144

約数和(自身を含む): 225283968

約数和(自身を除く): 149880978

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 17, 18, 26, 30, 34, 39, 45, 51, 65, 78, 85, 90, 102, 117, 130, 153, 170, 195, 221, 223, 234, 255, 289, 306, 390, 442, 446, 510, 578, 585, 663, 669, 765, 867, 1105, 1115, 1170, 1326, 1338, 1445, 1530, 1734, 1989, 2007, 2210, 2230, 2601, 2890, 2899, 3315, 3345, 3757, 3791, 3978, 4014, 4335, 5202, 5798, 6630, 6690, 7514, 7582, 8670, 8697, 9945, 10035, 11271, 11373, 13005, 14495, 17394, 18785, 18955, 19890, 20070, 22542, 22746, 26010, 26091, 28990, 33813, 34119, 37570, 37910, 43485, 49283, 52182, 56355, 56865, 64447, 67626, 68238, 86970, 98566, 112710, 113730, 128894, 130455, 147849, 169065, 170595, 193341, 246415, 260910, 295698, 322235, 338130, 341190, 386682, 443547, 492830, 580023, 644470, 739245, 837811, 887094, 966705, 1160046, 1478490, 1675622, 1933410, 2217735, 2513433, 2900115, 4189055, 4435470, 5026866, 5800230, 7540299, 8378110, 12567165, 15080598, 25134330, 37701495, 75402990]

約数ペア:

[(1, 75402990), (2, 37701495), (3, 25134330), (5, 15080598), (6, 12567165), (9, 8378110), (10, 7540299), (13, 5800230), (15, 5026866), (17, 4435470), (18, 4189055), (26, 2900115), (30, 2513433), (34, 2217735), (39, 1933410), (45, 1675622), (51, 1478490), (65, 1160046), (78, 966705), (85, 887094), (90, 837811), (102, 739245), (117, 644470), (130, 580023), (153, 492830), (170, 443547), (195, 386682), (221, 341190), (223, 338130), (234, 322235), (255, 295698), (289, 260910), (306, 246415), (390, 193341), (442, 170595), (446, 169065), (510, 147849), (578, 130455), (585, 128894), (663, 113730), (669, 112710), (765, 98566), (867, 86970), (1105, 68238), (1115, 67626), (1170, 64447), (1326, 56865), (1338, 56355), (1445, 52182), (1530, 49283), (1734, 43485), (1989, 37910), (2007, 37570), (2210, 34119), (2230, 33813), (2601, 28990), (2890, 26091), (2899, 26010), (3315, 22746), (3345, 22542), (3757, 20070), (3791, 19890), (3978, 18955), (4014, 18785), (4335, 17394), (5202, 14495), (5798, 13005), (6630, 11373), (6690, 11271), (7514, 10035), (7582, 9945), (8670, 8697)]