77471940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2027}}^1$

素因数の和:2066

約数の個数: 144

約数和(自身を含む): 271881792

約数和(自身を除く): 194409852

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 49, 52, 60, 65, 70, 78, 84, 91, 98, 105, 130, 140, 147, 156, 182, 195, 196, 210, 245, 260, 273, 294, 364, 390, 420, 455, 490, 546, 588, 637, 735, 780, 910, 980, 1092, 1274, 1365, 1470, 1820, 1911, 2027, 2548, 2730, 2940, 3185, 3822, 4054, 5460, 6081, 6370, 7644, 8108, 9555, 10135, 12162, 12740, 14189, 19110, 20270, 24324, 26351, 28378, 30405, 38220, 40540, 42567, 52702, 56756, 60810, 70945, 79053, 85134, 99323, 105404, 121620, 131755, 141890, 158106, 170268, 184457, 198646, 212835, 263510, 283780, 297969, 316212, 368914, 395265, 397292, 425670, 496615, 527020, 553371, 595938, 737828, 790530, 851340, 922285, 993230, 1106742, 1191876, 1291199, 1489845, 1581060, 1844570, 1986460, 2213484, 2582398, 2766855, 2979690, 3689140, 3873597, 5164796, 5533710, 5959380, 6455995, 7747194, 11067420, 12911990, 15494388, 19367985, 25823980, 38735970, 77471940]

約数ペア:

[(1, 77471940), (2, 38735970), (3, 25823980), (4, 19367985), (5, 15494388), (6, 12911990), (7, 11067420), (10, 7747194), (12, 6455995), (13, 5959380), (14, 5533710), (15, 5164796), (20, 3873597), (21, 3689140), (26, 2979690), (28, 2766855), (30, 2582398), (35, 2213484), (39, 1986460), (42, 1844570), (49, 1581060), (52, 1489845), (60, 1291199), (65, 1191876), (70, 1106742), (78, 993230), (84, 922285), (91, 851340), (98, 790530), (105, 737828), (130, 595938), (140, 553371), (147, 527020), (156, 496615), (182, 425670), (195, 397292), (196, 395265), (210, 368914), (245, 316212), (260, 297969), (273, 283780), (294, 263510), (364, 212835), (390, 198646), (420, 184457), (455, 170268), (490, 158106), (546, 141890), (588, 131755), (637, 121620), (735, 105404), (780, 99323), (910, 85134), (980, 79053), (1092, 70945), (1274, 60810), (1365, 56756), (1470, 52702), (1820, 42567), (1911, 40540), (2027, 38220), (2548, 30405), (2730, 28378), (2940, 26351), (3185, 24324), (3822, 20270), (4054, 19110), (5460, 14189), (6081, 12740), (6370, 12162), (7644, 10135), (8108, 9555)]