15179840

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:160

約数の個数: 112

約数和(自身を含む): 40325040

約数和(自身を除く): 25145200

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 41, 52, 64, 65, 80, 82, 89, 104, 130, 160, 164, 178, 205, 208, 260, 320, 328, 356, 410, 416, 445, 520, 533, 656, 712, 820, 832, 890, 1040, 1066, 1157, 1312, 1424, 1640, 1780, 2080, 2132, 2314, 2624, 2665, 2848, 3280, 3560, 3649, 4160, 4264, 4628, 5330, 5696, 5785, 6560, 7120, 7298, 8528, 9256, 10660, 11570, 13120, 14240, 14596, 17056, 18245, 18512, 21320, 23140, 28480, 29192, 34112, 36490, 37024, 42640, 46280, 47437, 58384, 72980, 74048, 85280, 92560, 94874, 116768, 145960, 170560, 185120, 189748, 233536, 237185, 291920, 370240, 379496, 474370, 583840, 758992, 948740, 1167680, 1517984, 1897480, 3035968, 3794960, 7589920, 15179840]

約数ペア:

[(1, 15179840), (2, 7589920), (4, 3794960), (5, 3035968), (8, 1897480), (10, 1517984), (13, 1167680), (16, 948740), (20, 758992), (26, 583840), (32, 474370), (40, 379496), (41, 370240), (52, 291920), (64, 237185), (65, 233536), (80, 189748), (82, 185120), (89, 170560), (104, 145960), (130, 116768), (160, 94874), (164, 92560), (178, 85280), (205, 74048), (208, 72980), (260, 58384), (320, 47437), (328, 46280), (356, 42640), (410, 37024), (416, 36490), (445, 34112), (520, 29192), (533, 28480), (656, 23140), (712, 21320), (820, 18512), (832, 18245), (890, 17056), (1040, 14596), (1066, 14240), (1157, 13120), (1312, 11570), (1424, 10660), (1640, 9256), (1780, 8528), (2080, 7298), (2132, 7120), (2314, 6560), (2624, 5785), (2665, 5696), (2848, 5330), (3280, 4628), (3560, 4264), (3649, 4160)]