61293440

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:224

約数の個数: 128

約数和(自身を含む): 161935200

約数和(自身を除く): 100641760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 53, 64, 65, 80, 104, 106, 128, 130, 139, 160, 208, 212, 260, 265, 278, 320, 416, 424, 520, 530, 556, 640, 689, 695, 832, 848, 1040, 1060, 1112, 1378, 1390, 1664, 1696, 1807, 2080, 2120, 2224, 2756, 2780, 3392, 3445, 3614, 4160, 4240, 4448, 5512, 5560, 6784, 6890, 7228, 7367, 8320, 8480, 8896, 9035, 11024, 11120, 13780, 14456, 14734, 16960, 17792, 18070, 22048, 22240, 27560, 28912, 29468, 33920, 36140, 36835, 44096, 44480, 55120, 57824, 58936, 72280, 73670, 88192, 88960, 95771, 110240, 115648, 117872, 144560, 147340, 191542, 220480, 231296, 235744, 289120, 294680, 383084, 440960, 471488, 478855, 578240, 589360, 766168, 942976, 957710, 1156480, 1178720, 1532336, 1915420, 2357440, 3064672, 3830840, 4714880, 6129344, 7661680, 12258688, 15323360, 30646720, 61293440]

約数ペア:

[(1, 61293440), (2, 30646720), (4, 15323360), (5, 12258688), (8, 7661680), (10, 6129344), (13, 4714880), (16, 3830840), (20, 3064672), (26, 2357440), (32, 1915420), (40, 1532336), (52, 1178720), (53, 1156480), (64, 957710), (65, 942976), (80, 766168), (104, 589360), (106, 578240), (128, 478855), (130, 471488), (139, 440960), (160, 383084), (208, 294680), (212, 289120), (260, 235744), (265, 231296), (278, 220480), (320, 191542), (416, 147340), (424, 144560), (520, 117872), (530, 115648), (556, 110240), (640, 95771), (689, 88960), (695, 88192), (832, 73670), (848, 72280), (1040, 58936), (1060, 57824), (1112, 55120), (1378, 44480), (1390, 44096), (1664, 36835), (1696, 36140), (1807, 33920), (2080, 29468), (2120, 28912), (2224, 27560), (2756, 22240), (2780, 22048), (3392, 18070), (3445, 17792), (3614, 16960), (4160, 14734), (4240, 14456), (4448, 13780), (5512, 11120), (5560, 11024), (6784, 9035), (6890, 8896), (7228, 8480), (7367, 8320)]