8870940

素因数分解:

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

素因数の和:268

約数の個数: 144

約数和(自身を含む): 30820608

約数和(自身を除く): 21949668

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 26, 30, 34, 36, 39, 45, 51, 52, 60, 65, 68, 78, 85, 90, 102, 117, 130, 153, 156, 170, 180, 195, 204, 221, 223, 234, 255, 260, 306, 340, 390, 442, 446, 468, 510, 585, 612, 663, 669, 765, 780, 884, 892, 1020, 1105, 1115, 1170, 1326, 1338, 1530, 1989, 2007, 2210, 2230, 2340, 2652, 2676, 2899, 3060, 3315, 3345, 3791, 3978, 4014, 4420, 4460, 5798, 6630, 6690, 7582, 7956, 8028, 8697, 9945, 10035, 11373, 11596, 13260, 13380, 14495, 15164, 17394, 18955, 19890, 20070, 22746, 26091, 28990, 34119, 34788, 37910, 39780, 40140, 43485, 45492, 49283, 52182, 56865, 57980, 68238, 75820, 86970, 98566, 104364, 113730, 130455, 136476, 147849, 170595, 173940, 197132, 227460, 246415, 260910, 295698, 341190, 443547, 492830, 521820, 591396, 682380, 739245, 887094, 985660, 1478490, 1774188, 2217735, 2956980, 4435470, 8870940]

約数ペア:

[(1, 8870940), (2, 4435470), (3, 2956980), (4, 2217735), (5, 1774188), (6, 1478490), (9, 985660), (10, 887094), (12, 739245), (13, 682380), (15, 591396), (17, 521820), (18, 492830), (20, 443547), (26, 341190), (30, 295698), (34, 260910), (36, 246415), (39, 227460), (45, 197132), (51, 173940), (52, 170595), (60, 147849), (65, 136476), (68, 130455), (78, 113730), (85, 104364), (90, 98566), (102, 86970), (117, 75820), (130, 68238), (153, 57980), (156, 56865), (170, 52182), (180, 49283), (195, 45492), (204, 43485), (221, 40140), (223, 39780), (234, 37910), (255, 34788), (260, 34119), (306, 28990), (340, 26091), (390, 22746), (442, 20070), (446, 19890), (468, 18955), (510, 17394), (585, 15164), (612, 14495), (663, 13380), (669, 13260), (765, 11596), (780, 11373), (884, 10035), (892, 9945), (1020, 8697), (1105, 8028), (1115, 7956), (1170, 7582), (1326, 6690), (1338, 6630), (1530, 5798), (1989, 4460), (2007, 4420), (2210, 4014), (2230, 3978), (2340, 3791), (2652, 3345), (2676, 3315), (2899, 3060)]