68726840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{239}}^1$

素因数の和:349

約数の個数: 128

約数和(自身を含む): 193536000

約数和(自身を除く): 124809160

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 79, 91, 104, 130, 140, 158, 182, 239, 260, 280, 316, 364, 395, 455, 478, 520, 553, 632, 728, 790, 910, 956, 1027, 1106, 1195, 1580, 1673, 1820, 1912, 2054, 2212, 2390, 2765, 3107, 3160, 3346, 3640, 4108, 4424, 4780, 5135, 5530, 6214, 6692, 7189, 8216, 8365, 9560, 10270, 11060, 12428, 13384, 14378, 15535, 16730, 18881, 20540, 21749, 22120, 24856, 28756, 31070, 33460, 35945, 37762, 41080, 43498, 57512, 62140, 66920, 71890, 75524, 86996, 94405, 108745, 124280, 132167, 143780, 151048, 173992, 188810, 217490, 245453, 264334, 287560, 377620, 434980, 490906, 528668, 660835, 755240, 869960, 981812, 1057336, 1227265, 1321670, 1718171, 1963624, 2454530, 2643340, 3436342, 4909060, 5286680, 6872684, 8590855, 9818120, 13745368, 17181710, 34363420, 68726840]

約数ペア:

[(1, 68726840), (2, 34363420), (4, 17181710), (5, 13745368), (7, 9818120), (8, 8590855), (10, 6872684), (13, 5286680), (14, 4909060), (20, 3436342), (26, 2643340), (28, 2454530), (35, 1963624), (40, 1718171), (52, 1321670), (56, 1227265), (65, 1057336), (70, 981812), (79, 869960), (91, 755240), (104, 660835), (130, 528668), (140, 490906), (158, 434980), (182, 377620), (239, 287560), (260, 264334), (280, 245453), (316, 217490), (364, 188810), (395, 173992), (455, 151048), (478, 143780), (520, 132167), (553, 124280), (632, 108745), (728, 94405), (790, 86996), (910, 75524), (956, 71890), (1027, 66920), (1106, 62140), (1195, 57512), (1580, 43498), (1673, 41080), (1820, 37762), (1912, 35945), (2054, 33460), (2212, 31070), (2390, 28756), (2765, 24856), (3107, 22120), (3160, 21749), (3346, 20540), (3640, 18881), (4108, 16730), (4424, 15535), (4780, 14378), (5135, 13384), (5530, 12428), (6214, 11060), (6692, 10270), (7189, 9560), (8216, 8365)]