30646720

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:222

約数の個数: 112

約数和(自身を含む): 80650080

約数和(自身を除く): 50003360

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 53, 64, 65, 80, 104, 106, 130, 139, 160, 208, 212, 260, 265, 278, 320, 416, 424, 520, 530, 556, 689, 695, 832, 848, 1040, 1060, 1112, 1378, 1390, 1696, 1807, 2080, 2120, 2224, 2756, 2780, 3392, 3445, 3614, 4160, 4240, 4448, 5512, 5560, 6890, 7228, 7367, 8480, 8896, 9035, 11024, 11120, 13780, 14456, 14734, 16960, 18070, 22048, 22240, 27560, 28912, 29468, 36140, 36835, 44096, 44480, 55120, 57824, 58936, 72280, 73670, 95771, 110240, 115648, 117872, 144560, 147340, 191542, 220480, 235744, 289120, 294680, 383084, 471488, 478855, 578240, 589360, 766168, 957710, 1178720, 1532336, 1915420, 2357440, 3064672, 3830840, 6129344, 7661680, 15323360, 30646720]

約数ペア:

[(1, 30646720), (2, 15323360), (4, 7661680), (5, 6129344), (8, 3830840), (10, 3064672), (13, 2357440), (16, 1915420), (20, 1532336), (26, 1178720), (32, 957710), (40, 766168), (52, 589360), (53, 578240), (64, 478855), (65, 471488), (80, 383084), (104, 294680), (106, 289120), (130, 235744), (139, 220480), (160, 191542), (208, 147340), (212, 144560), (260, 117872), (265, 115648), (278, 110240), (320, 95771), (416, 73670), (424, 72280), (520, 58936), (530, 57824), (556, 55120), (689, 44480), (695, 44096), (832, 36835), (848, 36140), (1040, 29468), (1060, 28912), (1112, 27560), (1378, 22240), (1390, 22048), (1696, 18070), (1807, 16960), (2080, 14734), (2120, 14456), (2224, 13780), (2756, 11120), (2780, 11024), (3392, 9035), (3445, 8896), (3614, 8480), (4160, 7367), (4240, 7228), (4448, 6890), (5512, 5560)]