420937020

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5861}}^1$

素因数の和:5905

約数の個数: 192

約数和(自身を含む): 1575705600

約数和(自身を除く): 1154768580

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, 945, 1026, 1140, 1197, 1260, 1330, 1596, 1710, 1890, 1995, 2052, 2394, 2565, 2660, 3420, 3591, 3780, 3990, 4788, 5130, 5861, 5985, 7182, 7980, 10260, 11722, 11970, 14364, 17583, 17955, 23444, 23940, 29305, 35166, 35910, 41027, 52749, 58610, 70332, 71820, 82054, 87915, 105498, 111359, 117220, 123081, 158247, 164108, 175830, 205135, 210996, 222718, 246162, 263745, 316494, 334077, 351660, 369243, 410270, 445436, 492324, 527490, 556795, 615405, 632988, 668154, 738486, 779513, 791235, 820540, 1002231, 1054980, 1107729, 1113590, 1230810, 1336308, 1476972, 1559026, 1582470, 1670385, 1846215, 2004462, 2215458, 2227180, 2338539, 2461620, 3006693, 3118052, 3164940, 3340770, 3692430, 3897565, 4008924, 4430916, 4677078, 5011155, 5538645, 6013386, 6681540, 7015617, 7384860, 7795130, 9354156, 10022310, 11077290, 11692695, 12026772, 14031234, 15033465, 15590260, 20044620, 21046851, 22154580, 23385390, 28062468, 30066930, 35078085, 42093702, 46770780, 60133860, 70156170, 84187404, 105234255, 140312340, 210468510, 420937020]

約数ペア:

[(1, 420937020), (2, 210468510), (3, 140312340), (4, 105234255), (5, 84187404), (6, 70156170), (7, 60133860), (9, 46770780), (10, 42093702), (12, 35078085), (14, 30066930), (15, 28062468), (18, 23385390), (19, 22154580), (20, 21046851), (21, 20044620), (27, 15590260), (28, 15033465), (30, 14031234), (35, 12026772), (36, 11692695), (38, 11077290), (42, 10022310), (45, 9354156), (54, 7795130), (57, 7384860), (60, 7015617), (63, 6681540), (70, 6013386), (76, 5538645), (84, 5011155), (90, 4677078), (95, 4430916), (105, 4008924), (108, 3897565), (114, 3692430), (126, 3340770), (133, 3164940), (135, 3118052), (140, 3006693), (171, 2461620), (180, 2338539), (189, 2227180), (190, 2215458), (210, 2004462), (228, 1846215), (252, 1670385), (266, 1582470), (270, 1559026), (285, 1476972), (315, 1336308), (342, 1230810), (378, 1113590), (380, 1107729), (399, 1054980), (420, 1002231), (513, 820540), (532, 791235), (540, 779513), (570, 738486), (630, 668154), (665, 632988), (684, 615405), (756, 556795), (798, 527490), (855, 492324), (945, 445436), (1026, 410270), (1140, 369243), (1197, 351660), (1260, 334077), (1330, 316494), (1596, 263745), (1710, 246162), (1890, 222718), (1995, 210996), (2052, 205135), (2394, 175830), (2565, 164108), (2660, 158247), (3420, 123081), (3591, 117220), (3780, 111359), (3990, 105498), (4788, 87915), (5130, 82054), (5861, 71820), (5985, 70332), (7182, 58610), (7980, 52749), (10260, 41027), (11722, 35910), (11970, 35166), (14364, 29305), (17583, 23940), (17955, 23444)]