1621620

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1$

素因数の和:52

約数の個数: 240

約数和(自身を含む): 6830208

約数和(自身を除く): 5208588

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 13, 14, 15, 18, 20, 21, 22, 26, 27, 28, 30, 33, 35, 36, 39, 42, 44, 45, 52, 54, 55, 60, 63, 65, 66, 70, 77, 78, 81, 84, 90, 91, 99, 105, 108, 110, 117, 126, 130, 132, 135, 140, 143, 154, 156, 162, 165, 180, 182, 189, 195, 198, 210, 220, 231, 234, 252, 260, 270, 273, 286, 297, 308, 315, 324, 330, 351, 364, 378, 385, 390, 396, 405, 420, 429, 455, 462, 468, 495, 540, 546, 567, 572, 585, 594, 630, 660, 693, 702, 715, 756, 770, 780, 810, 819, 858, 891, 910, 924, 945, 990, 1001, 1053, 1092, 1134, 1155, 1170, 1188, 1260, 1287, 1365, 1386, 1404, 1430, 1485, 1540, 1620, 1638, 1716, 1755, 1782, 1820, 1890, 1980, 2002, 2079, 2106, 2145, 2268, 2310, 2340, 2457, 2574, 2730, 2772, 2835, 2860, 2970, 3003, 3276, 3465, 3510, 3564, 3780, 3861, 4004, 4095, 4158, 4212, 4290, 4455, 4620, 4914, 5005, 5148, 5265, 5460, 5670, 5940, 6006, 6237, 6435, 6930, 7020, 7371, 7722, 8190, 8316, 8580, 8910, 9009, 9828, 10010, 10395, 10530, 11340, 11583, 12012, 12285, 12474, 12870, 13860, 14742, 15015, 15444, 16380, 17820, 18018, 19305, 20020, 20790, 21060, 23166, 24570, 24948, 25740, 27027, 29484, 30030, 31185, 36036, 36855, 38610, 41580, 45045, 46332, 49140, 54054, 57915, 60060, 62370, 73710, 77220, 81081, 90090, 108108, 115830, 124740, 135135, 147420, 162162, 180180, 231660, 270270, 324324, 405405, 540540, 810810, 1621620]

約数ペア:

[(1, 1621620), (2, 810810), (3, 540540), (4, 405405), (5, 324324), (6, 270270), (7, 231660), (9, 180180), (10, 162162), (11, 147420), (12, 135135), (13, 124740), (14, 115830), (15, 108108), (18, 90090), (20, 81081), (21, 77220), (22, 73710), (26, 62370), (27, 60060), (28, 57915), (30, 54054), (33, 49140), (35, 46332), (36, 45045), (39, 41580), (42, 38610), (44, 36855), (45, 36036), (52, 31185), (54, 30030), (55, 29484), (60, 27027), (63, 25740), (65, 24948), (66, 24570), (70, 23166), (77, 21060), (78, 20790), (81, 20020), (84, 19305), (90, 18018), (91, 17820), (99, 16380), (105, 15444), (108, 15015), (110, 14742), (117, 13860), (126, 12870), (130, 12474), (132, 12285), (135, 12012), (140, 11583), (143, 11340), (154, 10530), (156, 10395), (162, 10010), (165, 9828), (180, 9009), (182, 8910), (189, 8580), (195, 8316), (198, 8190), (210, 7722), (220, 7371), (231, 7020), (234, 6930), (252, 6435), (260, 6237), (270, 6006), (273, 5940), (286, 5670), (297, 5460), (308, 5265), (315, 5148), (324, 5005), (330, 4914), (351, 4620), (364, 4455), (378, 4290), (385, 4212), (390, 4158), (396, 4095), (405, 4004), (420, 3861), (429, 3780), (455, 3564), (462, 3510), (468, 3465), (495, 3276), (540, 3003), (546, 2970), (567, 2860), (572, 2835), (585, 2772), (594, 2730), (630, 2574), (660, 2457), (693, 2340), (702, 2310), (715, 2268), (756, 2145), (770, 2106), (780, 2079), (810, 2002), (819, 1980), (858, 1890), (891, 1820), (910, 1782), (924, 1755), (945, 1716), (990, 1638), (1001, 1620), (1053, 1540), (1092, 1485), (1134, 1430), (1155, 1404), (1170, 1386), (1188, 1365), (1260, 1287)]