13128750

素因数分解:

$2^1\times 3^3\times 5^4\times {\mathrm{389}}^1$

素因数の和:420

約数の個数: 80

約数和(自身を含む): 36550800

約数和(自身を除く): 23422050

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 75, 90, 125, 135, 150, 225, 250, 270, 375, 389, 450, 625, 675, 750, 778, 1125, 1167, 1250, 1350, 1875, 1945, 2250, 2334, 3375, 3501, 3750, 3890, 5625, 5835, 6750, 7002, 9725, 10503, 11250, 11670, 16875, 17505, 19450, 21006, 29175, 33750, 35010, 48625, 52515, 58350, 87525, 97250, 105030, 145875, 175050, 243125, 262575, 291750, 437625, 486250, 525150, 729375, 875250, 1312875, 1458750, 2188125, 2625750, 4376250, 6564375, 13128750]

約数ペア:

[(1, 13128750), (2, 6564375), (3, 4376250), (5, 2625750), (6, 2188125), (9, 1458750), (10, 1312875), (15, 875250), (18, 729375), (25, 525150), (27, 486250), (30, 437625), (45, 291750), (50, 262575), (54, 243125), (75, 175050), (90, 145875), (125, 105030), (135, 97250), (150, 87525), (225, 58350), (250, 52515), (270, 48625), (375, 35010), (389, 33750), (450, 29175), (625, 21006), (675, 19450), (750, 17505), (778, 16875), (1125, 11670), (1167, 11250), (1250, 10503), (1350, 9725), (1875, 7002), (1945, 6750), (2250, 5835), (2334, 5625), (3375, 3890), (3501, 3750)]