228475260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{389}}^1$

素因数の和:668

約数の個数: 144

約数和(自身を含む): 751252320

約数和(自身を除く): 522777060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 251, 260, 389, 390, 468, 502, 585, 753, 778, 780, 1004, 1167, 1170, 1255, 1506, 1556, 1945, 2259, 2334, 2340, 2510, 3012, 3263, 3501, 3765, 3890, 4518, 4668, 5020, 5057, 5835, 6526, 7002, 7530, 7780, 9036, 9789, 10114, 11295, 11670, 13052, 14004, 15060, 15171, 16315, 17505, 19578, 20228, 22590, 23340, 25285, 29367, 30342, 32630, 35010, 39156, 45180, 45513, 48945, 50570, 58734, 60684, 65260, 70020, 75855, 91026, 97639, 97890, 101140, 117468, 146835, 151710, 182052, 195278, 195780, 227565, 292917, 293670, 303420, 390556, 455130, 488195, 585834, 587340, 878751, 910260, 976390, 1171668, 1269307, 1464585, 1757502, 1952780, 2538614, 2929170, 3515004, 3807921, 4393755, 5077228, 5858340, 6346535, 7615842, 8787510, 11423763, 12693070, 15231684, 17575020, 19039605, 22847526, 25386140, 38079210, 45695052, 57118815, 76158420, 114237630, 228475260]

約数ペア:

[(1, 228475260), (2, 114237630), (3, 76158420), (4, 57118815), (5, 45695052), (6, 38079210), (9, 25386140), (10, 22847526), (12, 19039605), (13, 17575020), (15, 15231684), (18, 12693070), (20, 11423763), (26, 8787510), (30, 7615842), (36, 6346535), (39, 5858340), (45, 5077228), (52, 4393755), (60, 3807921), (65, 3515004), (78, 2929170), (90, 2538614), (117, 1952780), (130, 1757502), (156, 1464585), (180, 1269307), (195, 1171668), (234, 976390), (251, 910260), (260, 878751), (389, 587340), (390, 585834), (468, 488195), (502, 455130), (585, 390556), (753, 303420), (778, 293670), (780, 292917), (1004, 227565), (1167, 195780), (1170, 195278), (1255, 182052), (1506, 151710), (1556, 146835), (1945, 117468), (2259, 101140), (2334, 97890), (2340, 97639), (2510, 91026), (3012, 75855), (3263, 70020), (3501, 65260), (3765, 60684), (3890, 58734), (4518, 50570), (4668, 48945), (5020, 45513), (5057, 45180), (5835, 39156), (6526, 35010), (7002, 32630), (7530, 30342), (7780, 29367), (9036, 25285), (9789, 23340), (10114, 22590), (11295, 20228), (11670, 19578), (13052, 17505), (14004, 16315), (15060, 15171)]