642088440

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{4177}}^1$

素因数の和:4262

約数の個数: 192

約数和(自身を含む): 2424576960

約数和(自身を除く): 1782488520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 61, 63, 70, 72, 84, 90, 105, 120, 122, 126, 140, 168, 180, 183, 210, 244, 252, 280, 305, 315, 360, 366, 420, 427, 488, 504, 549, 610, 630, 732, 840, 854, 915, 1098, 1220, 1260, 1281, 1464, 1708, 1830, 2135, 2196, 2440, 2520, 2562, 2745, 3416, 3660, 3843, 4177, 4270, 4392, 5124, 5490, 6405, 7320, 7686, 8354, 8540, 10248, 10980, 12531, 12810, 15372, 16708, 17080, 19215, 20885, 21960, 25062, 25620, 29239, 30744, 33416, 37593, 38430, 41770, 50124, 51240, 58478, 62655, 75186, 76860, 83540, 87717, 100248, 116956, 125310, 146195, 150372, 153720, 167080, 175434, 187965, 233912, 250620, 254797, 263151, 292390, 300744, 350868, 375930, 438585, 501240, 509594, 526302, 584780, 701736, 751860, 764391, 877170, 1019188, 1052604, 1169560, 1273985, 1315755, 1503720, 1528782, 1754340, 1783579, 2038376, 2105208, 2293173, 2547970, 2631510, 3057564, 3508680, 3567158, 3821955, 4586346, 5095940, 5263020, 5350737, 6115128, 7134316, 7643910, 8917895, 9172692, 10191880, 10526040, 10701474, 11465865, 14268632, 15287820, 16052211, 17835790, 18345384, 21402948, 22931730, 26753685, 30575640, 32104422, 35671580, 42805896, 45863460, 53507370, 64208844, 71343160, 80261055, 91726920, 107014740, 128417688, 160522110, 214029480, 321044220, 642088440]

約数ペア:

[(1, 642088440), (2, 321044220), (3, 214029480), (4, 160522110), (5, 128417688), (6, 107014740), (7, 91726920), (8, 80261055), (9, 71343160), (10, 64208844), (12, 53507370), (14, 45863460), (15, 42805896), (18, 35671580), (20, 32104422), (21, 30575640), (24, 26753685), (28, 22931730), (30, 21402948), (35, 18345384), (36, 17835790), (40, 16052211), (42, 15287820), (45, 14268632), (56, 11465865), (60, 10701474), (61, 10526040), (63, 10191880), (70, 9172692), (72, 8917895), (84, 7643910), (90, 7134316), (105, 6115128), (120, 5350737), (122, 5263020), (126, 5095940), (140, 4586346), (168, 3821955), (180, 3567158), (183, 3508680), (210, 3057564), (244, 2631510), (252, 2547970), (280, 2293173), (305, 2105208), (315, 2038376), (360, 1783579), (366, 1754340), (420, 1528782), (427, 1503720), (488, 1315755), (504, 1273985), (549, 1169560), (610, 1052604), (630, 1019188), (732, 877170), (840, 764391), (854, 751860), (915, 701736), (1098, 584780), (1220, 526302), (1260, 509594), (1281, 501240), (1464, 438585), (1708, 375930), (1830, 350868), (2135, 300744), (2196, 292390), (2440, 263151), (2520, 254797), (2562, 250620), (2745, 233912), (3416, 187965), (3660, 175434), (3843, 167080), (4177, 153720), (4270, 150372), (4392, 146195), (5124, 125310), (5490, 116956), (6405, 100248), (7320, 87717), (7686, 83540), (8354, 76860), (8540, 75186), (10248, 62655), (10980, 58478), (12531, 51240), (12810, 50124), (15372, 41770), (16708, 38430), (17080, 37593), (19215, 33416), (20885, 30744), (21960, 29239), (25062, 25620)]