221478840

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{181}}^1$

素因数の和:315

約数の個数: 256

約数和(自身を含む): 817689600

約数和(自身を除く): 596210760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 54, 55, 60, 66, 72, 88, 90, 99, 103, 108, 110, 120, 132, 135, 165, 180, 181, 198, 206, 216, 220, 264, 270, 297, 309, 330, 360, 362, 396, 412, 440, 495, 515, 540, 543, 594, 618, 660, 724, 792, 824, 905, 927, 990, 1030, 1080, 1086, 1133, 1188, 1236, 1320, 1448, 1485, 1545, 1629, 1810, 1854, 1980, 1991, 2060, 2172, 2266, 2376, 2472, 2715, 2781, 2970, 3090, 3258, 3399, 3620, 3708, 3960, 3982, 4120, 4344, 4532, 4635, 4887, 5430, 5562, 5665, 5940, 5973, 6180, 6516, 6798, 7240, 7416, 7964, 8145, 9064, 9270, 9774, 9955, 10197, 10860, 11124, 11330, 11880, 11946, 12360, 13032, 13596, 13905, 15928, 16290, 16995, 17919, 18540, 18643, 19548, 19910, 20394, 21720, 22248, 22660, 23892, 24435, 27192, 27810, 29865, 30591, 32580, 33990, 35838, 37080, 37286, 39096, 39820, 40788, 45320, 47784, 48870, 50985, 53757, 55620, 55929, 59730, 61182, 65160, 67980, 71676, 74572, 79640, 81576, 89595, 93215, 97740, 101970, 107514, 111240, 111858, 119460, 122364, 135960, 143352, 149144, 152955, 167787, 179190, 186430, 195480, 203940, 205073, 215028, 223716, 238920, 244728, 268785, 279645, 305910, 335574, 358380, 372860, 407880, 410146, 430056, 447432, 503361, 537570, 559290, 611820, 615219, 671148, 716760, 745720, 820292, 838935, 1006722, 1025365, 1075140, 1118580, 1223640, 1230438, 1342296, 1640584, 1677870, 1845657, 2013444, 2050730, 2150280, 2237160, 2460876, 2516805, 3076095, 3355740, 3691314, 4026888, 4101460, 4921752, 5033610, 5536971, 6152190, 6711480, 7382628, 8202920, 9228285, 10067220, 11073942, 12304380, 14765256, 18456570, 20134440, 22147884, 24608760, 27684855, 36913140, 44295768, 55369710, 73826280, 110739420, 221478840]

約数ペア:

[(1, 221478840), (2, 110739420), (3, 73826280), (4, 55369710), (5, 44295768), (6, 36913140), (8, 27684855), (9, 24608760), (10, 22147884), (11, 20134440), (12, 18456570), (15, 14765256), (18, 12304380), (20, 11073942), (22, 10067220), (24, 9228285), (27, 8202920), (30, 7382628), (33, 6711480), (36, 6152190), (40, 5536971), (44, 5033610), (45, 4921752), (54, 4101460), (55, 4026888), (60, 3691314), (66, 3355740), (72, 3076095), (88, 2516805), (90, 2460876), (99, 2237160), (103, 2150280), (108, 2050730), (110, 2013444), (120, 1845657), (132, 1677870), (135, 1640584), (165, 1342296), (180, 1230438), (181, 1223640), (198, 1118580), (206, 1075140), (216, 1025365), (220, 1006722), (264, 838935), (270, 820292), (297, 745720), (309, 716760), (330, 671148), (360, 615219), (362, 611820), (396, 559290), (412, 537570), (440, 503361), (495, 447432), (515, 430056), (540, 410146), (543, 407880), (594, 372860), (618, 358380), (660, 335574), (724, 305910), (792, 279645), (824, 268785), (905, 244728), (927, 238920), (990, 223716), (1030, 215028), (1080, 205073), (1086, 203940), (1133, 195480), (1188, 186430), (1236, 179190), (1320, 167787), (1448, 152955), (1485, 149144), (1545, 143352), (1629, 135960), (1810, 122364), (1854, 119460), (1980, 111858), (1991, 111240), (2060, 107514), (2172, 101970), (2266, 97740), (2376, 93215), (2472, 89595), (2715, 81576), (2781, 79640), (2970, 74572), (3090, 71676), (3258, 67980), (3399, 65160), (3620, 61182), (3708, 59730), (3960, 55929), (3982, 55620), (4120, 53757), (4344, 50985), (4532, 48870), (4635, 47784), (4887, 45320), (5430, 40788), (5562, 39820), (5665, 39096), (5940, 37286), (5973, 37080), (6180, 35838), (6516, 33990), (6798, 32580), (7240, 30591), (7416, 29865), (7964, 27810), (8145, 27192), (9064, 24435), (9270, 23892), (9774, 22660), (9955, 22248), (10197, 21720), (10860, 20394), (11124, 19910), (11330, 19548), (11880, 18643), (11946, 18540), (12360, 17919), (13032, 16995), (13596, 16290), (13905, 15928)]