15021990

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1$

素因数の和:139

約数の個数: 128

約数和(自身を含む): 43545600

約数和(自身を除く): 28523610

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 27, 30, 41, 45, 46, 54, 59, 69, 82, 90, 115, 118, 123, 135, 138, 177, 205, 207, 230, 246, 270, 295, 345, 354, 369, 410, 414, 531, 590, 615, 621, 690, 738, 885, 943, 1035, 1062, 1107, 1230, 1242, 1357, 1593, 1770, 1845, 1886, 2070, 2214, 2419, 2655, 2714, 2829, 3105, 3186, 3690, 4071, 4715, 4838, 5310, 5535, 5658, 6210, 6785, 7257, 7965, 8142, 8487, 9430, 11070, 12095, 12213, 13570, 14145, 14514, 15930, 16974, 20355, 21771, 24190, 24426, 25461, 28290, 36285, 36639, 40710, 42435, 43542, 50922, 55637, 61065, 65313, 72570, 73278, 84870, 108855, 111274, 122130, 127305, 130626, 166911, 183195, 217710, 254610, 278185, 326565, 333822, 366390, 500733, 556370, 653130, 834555, 1001466, 1502199, 1669110, 2503665, 3004398, 5007330, 7510995, 15021990]

約数ペア:

[(1, 15021990), (2, 7510995), (3, 5007330), (5, 3004398), (6, 2503665), (9, 1669110), (10, 1502199), (15, 1001466), (18, 834555), (23, 653130), (27, 556370), (30, 500733), (41, 366390), (45, 333822), (46, 326565), (54, 278185), (59, 254610), (69, 217710), (82, 183195), (90, 166911), (115, 130626), (118, 127305), (123, 122130), (135, 111274), (138, 108855), (177, 84870), (205, 73278), (207, 72570), (230, 65313), (246, 61065), (270, 55637), (295, 50922), (345, 43542), (354, 42435), (369, 40710), (410, 36639), (414, 36285), (531, 28290), (590, 25461), (615, 24426), (621, 24190), (690, 21771), (738, 20355), (885, 16974), (943, 15930), (1035, 14514), (1062, 14145), (1107, 13570), (1230, 12213), (1242, 12095), (1357, 11070), (1593, 9430), (1770, 8487), (1845, 8142), (1886, 7965), (2070, 7257), (2214, 6785), (2419, 6210), (2655, 5658), (2714, 5535), (2829, 5310), (3105, 4838), (3186, 4715), (3690, 4071)]