15850120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1$

素因数の和:215

約数の個数: 128

約数和(自身を含む): 44634240

約数和(自身を除く): 28784120

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 17, 20, 22, 26, 34, 40, 44, 52, 55, 65, 68, 85, 88, 104, 110, 130, 136, 143, 163, 170, 187, 220, 221, 260, 286, 326, 340, 374, 440, 442, 520, 572, 652, 680, 715, 748, 815, 884, 935, 1105, 1144, 1304, 1430, 1496, 1630, 1768, 1793, 1870, 2119, 2210, 2431, 2771, 2860, 3260, 3586, 3740, 4238, 4420, 4862, 5542, 5720, 6520, 7172, 7480, 8476, 8840, 8965, 9724, 10595, 11084, 12155, 13855, 14344, 16952, 17930, 19448, 21190, 22168, 23309, 24310, 27710, 30481, 35860, 36023, 42380, 46618, 48620, 55420, 60962, 71720, 72046, 84760, 93236, 97240, 110840, 116545, 121924, 144092, 152405, 180115, 186472, 233090, 243848, 288184, 304810, 360230, 396253, 466180, 609620, 720460, 792506, 932360, 1219240, 1440920, 1585012, 1981265, 3170024, 3962530, 7925060, 15850120]

約数ペア:

[(1, 15850120), (2, 7925060), (4, 3962530), (5, 3170024), (8, 1981265), (10, 1585012), (11, 1440920), (13, 1219240), (17, 932360), (20, 792506), (22, 720460), (26, 609620), (34, 466180), (40, 396253), (44, 360230), (52, 304810), (55, 288184), (65, 243848), (68, 233090), (85, 186472), (88, 180115), (104, 152405), (110, 144092), (130, 121924), (136, 116545), (143, 110840), (163, 97240), (170, 93236), (187, 84760), (220, 72046), (221, 71720), (260, 60962), (286, 55420), (326, 48620), (340, 46618), (374, 42380), (440, 36023), (442, 35860), (520, 30481), (572, 27710), (652, 24310), (680, 23309), (715, 22168), (748, 21190), (815, 19448), (884, 17930), (935, 16952), (1105, 14344), (1144, 13855), (1304, 12155), (1430, 11084), (1496, 10595), (1630, 9724), (1768, 8965), (1793, 8840), (1870, 8476), (2119, 7480), (2210, 7172), (2431, 6520), (2771, 5720), (2860, 5542), (3260, 4862), (3586, 4420), (3740, 4238)]