203415420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{1039}}^1$

素因数の和:1315

約数の個数: 96

約数和(自身を含む): 616412160

約数和(自身を除く): 412996740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 251, 260, 390, 502, 753, 780, 1004, 1039, 1255, 1506, 2078, 2510, 3012, 3117, 3263, 3765, 4156, 5020, 5195, 6234, 6526, 7530, 9789, 10390, 12468, 13052, 13507, 15060, 15585, 16315, 19578, 20780, 27014, 31170, 32630, 39156, 40521, 48945, 54028, 62340, 65260, 67535, 81042, 97890, 135070, 162084, 195780, 202605, 260789, 270140, 405210, 521578, 782367, 810420, 1043156, 1303945, 1564734, 2607890, 3129468, 3390257, 3911835, 5215780, 6780514, 7823670, 10170771, 13561028, 15647340, 16951285, 20341542, 33902570, 40683084, 50853855, 67805140, 101707710, 203415420]

約数ペア:

[(1, 203415420), (2, 101707710), (3, 67805140), (4, 50853855), (5, 40683084), (6, 33902570), (10, 20341542), (12, 16951285), (13, 15647340), (15, 13561028), (20, 10170771), (26, 7823670), (30, 6780514), (39, 5215780), (52, 3911835), (60, 3390257), (65, 3129468), (78, 2607890), (130, 1564734), (156, 1303945), (195, 1043156), (251, 810420), (260, 782367), (390, 521578), (502, 405210), (753, 270140), (780, 260789), (1004, 202605), (1039, 195780), (1255, 162084), (1506, 135070), (2078, 97890), (2510, 81042), (3012, 67535), (3117, 65260), (3263, 62340), (3765, 54028), (4156, 48945), (5020, 40521), (5195, 39156), (6234, 32630), (6526, 31170), (7530, 27014), (9789, 20780), (10390, 19578), (12468, 16315), (13052, 15585), (13507, 15060)]