123388680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{809}}^1$

素因数の和:895

約数の個数: 128

約数和(自身を含む): 391910400

約数和(自身を除く): 268521720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 41, 60, 62, 82, 93, 120, 123, 124, 155, 164, 186, 205, 246, 248, 310, 328, 372, 410, 465, 492, 615, 620, 744, 809, 820, 930, 984, 1230, 1240, 1271, 1618, 1640, 1860, 2427, 2460, 2542, 3236, 3720, 3813, 4045, 4854, 4920, 5084, 6355, 6472, 7626, 8090, 9708, 10168, 12135, 12710, 15252, 16180, 19065, 19416, 24270, 25079, 25420, 30504, 32360, 33169, 38130, 48540, 50158, 50840, 66338, 75237, 76260, 97080, 99507, 100316, 125395, 132676, 150474, 152520, 165845, 199014, 200632, 250790, 265352, 300948, 331690, 376185, 398028, 497535, 501580, 601896, 663380, 752370, 796056, 995070, 1003160, 1028239, 1326760, 1504740, 1990140, 2056478, 3009480, 3084717, 3980280, 4112956, 5141195, 6169434, 8225912, 10282390, 12338868, 15423585, 20564780, 24677736, 30847170, 41129560, 61694340, 123388680]

約数ペア:

[(1, 123388680), (2, 61694340), (3, 41129560), (4, 30847170), (5, 24677736), (6, 20564780), (8, 15423585), (10, 12338868), (12, 10282390), (15, 8225912), (20, 6169434), (24, 5141195), (30, 4112956), (31, 3980280), (40, 3084717), (41, 3009480), (60, 2056478), (62, 1990140), (82, 1504740), (93, 1326760), (120, 1028239), (123, 1003160), (124, 995070), (155, 796056), (164, 752370), (186, 663380), (205, 601896), (246, 501580), (248, 497535), (310, 398028), (328, 376185), (372, 331690), (410, 300948), (465, 265352), (492, 250790), (615, 200632), (620, 199014), (744, 165845), (809, 152520), (820, 150474), (930, 132676), (984, 125395), (1230, 100316), (1240, 99507), (1271, 97080), (1618, 76260), (1640, 75237), (1860, 66338), (2427, 50840), (2460, 50158), (2542, 48540), (3236, 38130), (3720, 33169), (3813, 32360), (4045, 30504), (4854, 25420), (4920, 25079), (5084, 24270), (6355, 19416), (6472, 19065), (7626, 16180), (8090, 15252), (9708, 12710), (10168, 12135)]