64850040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{499}}^1$

素因数の和:554

約数の個数: 144

約数和(自身を含む): 222885000

約数和(自身を除く): 158034960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 90, 95, 114, 120, 152, 171, 180, 190, 228, 285, 342, 360, 361, 380, 456, 499, 570, 684, 722, 760, 855, 998, 1083, 1140, 1368, 1444, 1497, 1710, 1805, 1996, 2166, 2280, 2495, 2888, 2994, 3249, 3420, 3610, 3992, 4332, 4491, 4990, 5415, 5988, 6498, 6840, 7220, 7485, 8664, 8982, 9481, 9980, 10830, 11976, 12996, 14440, 14970, 16245, 17964, 18962, 19960, 21660, 22455, 25992, 28443, 29940, 32490, 35928, 37924, 43320, 44910, 47405, 56886, 59880, 64980, 75848, 85329, 89820, 94810, 113772, 129960, 142215, 170658, 179640, 180139, 189620, 227544, 284430, 341316, 360278, 379240, 426645, 540417, 568860, 682632, 720556, 853290, 900695, 1080834, 1137720, 1441112, 1621251, 1706580, 1801390, 2161668, 2702085, 3242502, 3413160, 3602780, 4323336, 5404170, 6485004, 7205560, 8106255, 10808340, 12970008, 16212510, 21616680, 32425020, 64850040]

約数ペア:

[(1, 64850040), (2, 32425020), (3, 21616680), (4, 16212510), (5, 12970008), (6, 10808340), (8, 8106255), (9, 7205560), (10, 6485004), (12, 5404170), (15, 4323336), (18, 3602780), (19, 3413160), (20, 3242502), (24, 2702085), (30, 2161668), (36, 1801390), (38, 1706580), (40, 1621251), (45, 1441112), (57, 1137720), (60, 1080834), (72, 900695), (76, 853290), (90, 720556), (95, 682632), (114, 568860), (120, 540417), (152, 426645), (171, 379240), (180, 360278), (190, 341316), (228, 284430), (285, 227544), (342, 189620), (360, 180139), (361, 179640), (380, 170658), (456, 142215), (499, 129960), (570, 113772), (684, 94810), (722, 89820), (760, 85329), (855, 75848), (998, 64980), (1083, 59880), (1140, 56886), (1368, 47405), (1444, 44910), (1497, 43320), (1710, 37924), (1805, 35928), (1996, 32490), (2166, 29940), (2280, 28443), (2495, 25992), (2888, 22455), (2994, 21660), (3249, 19960), (3420, 18962), (3610, 17964), (3992, 16245), (4332, 14970), (4491, 14440), (4990, 12996), (5415, 11976), (5988, 10830), (6498, 9980), (6840, 9481), (7220, 8982), (7485, 8664)]