65428020

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{911}}^1$

素因数の和:955

約数の個数: 192

約数和(自身を含む): 245145600

約数和(自身を除く): 179717580

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 27, 28, 30, 35, 36, 38, 42, 45, 54, 57, 60, 63, 70, 76, 84, 90, 95, 105, 108, 114, 126, 133, 135, 140, 171, 180, 189, 190, 210, 228, 252, 266, 270, 285, 315, 342, 378, 380, 399, 420, 513, 532, 540, 570, 630, 665, 684, 756, 798, 855, 911, 945, 1026, 1140, 1197, 1260, 1330, 1596, 1710, 1822, 1890, 1995, 2052, 2394, 2565, 2660, 2733, 3420, 3591, 3644, 3780, 3990, 4555, 4788, 5130, 5466, 5985, 6377, 7182, 7980, 8199, 9110, 10260, 10932, 11970, 12754, 13665, 14364, 16398, 17309, 17955, 18220, 19131, 23940, 24597, 25508, 27330, 31885, 32796, 34618, 35910, 38262, 40995, 49194, 51927, 54660, 57393, 63770, 69236, 71820, 76524, 81990, 86545, 95655, 98388, 103854, 114786, 121163, 122985, 127540, 155781, 163980, 172179, 173090, 191310, 207708, 229572, 242326, 245970, 259635, 286965, 311562, 344358, 346180, 363489, 382620, 467343, 484652, 491940, 519270, 573930, 605815, 623124, 688716, 726978, 778905, 860895, 934686, 1038540, 1090467, 1147860, 1211630, 1453956, 1557810, 1721790, 1817445, 1869372, 2180934, 2336715, 2423260, 3115620, 3271401, 3443580, 3634890, 4361868, 4673430, 5452335, 6542802, 7269780, 9346860, 10904670, 13085604, 16357005, 21809340, 32714010, 65428020]

約数ペア:

[(1, 65428020), (2, 32714010), (3, 21809340), (4, 16357005), (5, 13085604), (6, 10904670), (7, 9346860), (9, 7269780), (10, 6542802), (12, 5452335), (14, 4673430), (15, 4361868), (18, 3634890), (19, 3443580), (20, 3271401), (21, 3115620), (27, 2423260), (28, 2336715), (30, 2180934), (35, 1869372), (36, 1817445), (38, 1721790), (42, 1557810), (45, 1453956), (54, 1211630), (57, 1147860), (60, 1090467), (63, 1038540), (70, 934686), (76, 860895), (84, 778905), (90, 726978), (95, 688716), (105, 623124), (108, 605815), (114, 573930), (126, 519270), (133, 491940), (135, 484652), (140, 467343), (171, 382620), (180, 363489), (189, 346180), (190, 344358), (210, 311562), (228, 286965), (252, 259635), (266, 245970), (270, 242326), (285, 229572), (315, 207708), (342, 191310), (378, 173090), (380, 172179), (399, 163980), (420, 155781), (513, 127540), (532, 122985), (540, 121163), (570, 114786), (630, 103854), (665, 98388), (684, 95655), (756, 86545), (798, 81990), (855, 76524), (911, 71820), (945, 69236), (1026, 63770), (1140, 57393), (1197, 54660), (1260, 51927), (1330, 49194), (1596, 40995), (1710, 38262), (1822, 35910), (1890, 34618), (1995, 32796), (2052, 31885), (2394, 27330), (2565, 25508), (2660, 24597), (2733, 23940), (3420, 19131), (3591, 18220), (3644, 17955), (3780, 17309), (3990, 16398), (4555, 14364), (4788, 13665), (5130, 12754), (5466, 11970), (5985, 10932), (6377, 10260), (7182, 9110), (7980, 8199)]