227721780

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{983}}^1$

素因数の和:1028

約数の個数: 240

約数和(自身を含む): 840115584

約数和(自身を除く): 612393804

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 15, 18, 20, 22, 26, 27, 30, 33, 36, 39, 44, 45, 52, 54, 55, 60, 65, 66, 78, 81, 90, 99, 108, 110, 117, 130, 132, 135, 143, 156, 162, 165, 180, 195, 198, 220, 234, 260, 270, 286, 297, 324, 330, 351, 390, 396, 405, 429, 468, 495, 540, 572, 585, 594, 660, 702, 715, 780, 810, 858, 891, 983, 990, 1053, 1170, 1188, 1287, 1404, 1430, 1485, 1620, 1716, 1755, 1782, 1966, 1980, 2106, 2145, 2340, 2574, 2860, 2949, 2970, 3510, 3564, 3861, 3932, 4212, 4290, 4455, 4915, 5148, 5265, 5898, 5940, 6435, 7020, 7722, 8580, 8847, 8910, 9830, 10530, 10813, 11583, 11796, 12779, 12870, 14745, 15444, 17694, 17820, 19305, 19660, 21060, 21626, 23166, 25558, 25740, 26541, 29490, 32439, 35388, 38337, 38610, 43252, 44235, 46332, 51116, 53082, 54065, 57915, 58980, 63895, 64878, 76674, 77220, 79623, 88470, 97317, 106164, 108130, 115011, 115830, 127790, 129756, 132705, 140569, 153348, 159246, 162195, 176940, 191685, 194634, 216260, 230022, 231660, 255580, 265410, 281138, 291951, 318492, 324390, 345033, 383370, 389268, 398115, 421707, 460044, 486585, 530820, 562276, 575055, 583902, 648780, 690066, 702845, 766740, 796230, 843414, 875853, 973170, 1035099, 1150110, 1167804, 1265121, 1380132, 1405690, 1459755, 1592460, 1686828, 1725165, 1751706, 1946340, 2070198, 2108535, 2300220, 2530242, 2811380, 2919510, 3450330, 3503412, 3795363, 4140396, 4217070, 4379265, 5060484, 5175495, 5839020, 6325605, 6900660, 7590726, 8434140, 8758530, 10350990, 11386089, 12651210, 15181452, 17517060, 18976815, 20701980, 22772178, 25302420, 37953630, 45544356, 56930445, 75907260, 113860890, 227721780]

約数ペア:

[(1, 227721780), (2, 113860890), (3, 75907260), (4, 56930445), (5, 45544356), (6, 37953630), (9, 25302420), (10, 22772178), (11, 20701980), (12, 18976815), (13, 17517060), (15, 15181452), (18, 12651210), (20, 11386089), (22, 10350990), (26, 8758530), (27, 8434140), (30, 7590726), (33, 6900660), (36, 6325605), (39, 5839020), (44, 5175495), (45, 5060484), (52, 4379265), (54, 4217070), (55, 4140396), (60, 3795363), (65, 3503412), (66, 3450330), (78, 2919510), (81, 2811380), (90, 2530242), (99, 2300220), (108, 2108535), (110, 2070198), (117, 1946340), (130, 1751706), (132, 1725165), (135, 1686828), (143, 1592460), (156, 1459755), (162, 1405690), (165, 1380132), (180, 1265121), (195, 1167804), (198, 1150110), (220, 1035099), (234, 973170), (260, 875853), (270, 843414), (286, 796230), (297, 766740), (324, 702845), (330, 690066), (351, 648780), (390, 583902), (396, 575055), (405, 562276), (429, 530820), (468, 486585), (495, 460044), (540, 421707), (572, 398115), (585, 389268), (594, 383370), (660, 345033), (702, 324390), (715, 318492), (780, 291951), (810, 281138), (858, 265410), (891, 255580), (983, 231660), (990, 230022), (1053, 216260), (1170, 194634), (1188, 191685), (1287, 176940), (1404, 162195), (1430, 159246), (1485, 153348), (1620, 140569), (1716, 132705), (1755, 129756), (1782, 127790), (1966, 115830), (1980, 115011), (2106, 108130), (2145, 106164), (2340, 97317), (2574, 88470), (2860, 79623), (2949, 77220), (2970, 76674), (3510, 64878), (3564, 63895), (3861, 58980), (3932, 57915), (4212, 54065), (4290, 53082), (4455, 51116), (4915, 46332), (5148, 44235), (5265, 43252), (5898, 38610), (5940, 38337), (6435, 35388), (7020, 32439), (7722, 29490), (8580, 26541), (8847, 25740), (8910, 25558), (9830, 23166), (10530, 21626), (10813, 21060), (11583, 19660), (11796, 19305), (12779, 17820), (12870, 17694), (14745, 15444)]