217221480

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{487}}^1$

素因数の和:573

約数の個数: 256

約数和(自身を含む): 843264000

約数和(自身を除く): 626042520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 59, 60, 63, 70, 72, 84, 90, 105, 108, 118, 120, 126, 135, 140, 168, 177, 180, 189, 210, 216, 236, 252, 270, 280, 295, 315, 354, 360, 378, 413, 420, 472, 487, 504, 531, 540, 590, 630, 708, 756, 826, 840, 885, 945, 974, 1062, 1080, 1180, 1239, 1260, 1416, 1461, 1512, 1593, 1652, 1770, 1890, 1948, 2065, 2124, 2360, 2435, 2478, 2520, 2655, 2922, 3186, 3304, 3409, 3540, 3717, 3780, 3896, 4130, 4248, 4383, 4870, 4956, 5310, 5844, 6195, 6372, 6818, 7080, 7305, 7434, 7560, 7965, 8260, 8766, 9740, 9912, 10227, 10620, 11151, 11688, 12390, 12744, 13149, 13636, 14610, 14868, 15930, 16520, 17045, 17532, 18585, 19480, 20454, 21240, 21915, 22302, 24780, 26298, 27272, 28733, 29220, 29736, 30681, 31860, 34090, 35064, 37170, 40908, 43830, 44604, 49560, 51135, 52596, 55755, 57466, 58440, 61362, 63720, 65745, 68180, 74340, 81816, 86199, 87660, 89208, 92043, 102270, 105192, 111510, 114932, 122724, 131490, 136360, 143665, 148680, 153405, 172398, 175320, 184086, 201131, 204540, 223020, 229864, 245448, 258597, 262980, 287330, 306810, 344796, 368172, 402262, 409080, 430995, 446040, 460215, 517194, 525960, 574660, 603393, 613620, 689592, 736344, 775791, 804524, 861990, 920430, 1005655, 1034388, 1149320, 1206786, 1227240, 1292985, 1551582, 1609048, 1723980, 1810179, 1840860, 2011310, 2068776, 2413572, 2585970, 3016965, 3103164, 3447960, 3620358, 3681720, 3878955, 4022620, 4827144, 5171940, 5430537, 6033930, 6206328, 7240716, 7757910, 8045240, 9050895, 10343880, 10861074, 12067860, 14481432, 15515820, 18101790, 21722148, 24135720, 27152685, 31031640, 36203580, 43444296, 54305370, 72407160, 108610740, 217221480]

約数ペア:

[(1, 217221480), (2, 108610740), (3, 72407160), (4, 54305370), (5, 43444296), (6, 36203580), (7, 31031640), (8, 27152685), (9, 24135720), (10, 21722148), (12, 18101790), (14, 15515820), (15, 14481432), (18, 12067860), (20, 10861074), (21, 10343880), (24, 9050895), (27, 8045240), (28, 7757910), (30, 7240716), (35, 6206328), (36, 6033930), (40, 5430537), (42, 5171940), (45, 4827144), (54, 4022620), (56, 3878955), (59, 3681720), (60, 3620358), (63, 3447960), (70, 3103164), (72, 3016965), (84, 2585970), (90, 2413572), (105, 2068776), (108, 2011310), (118, 1840860), (120, 1810179), (126, 1723980), (135, 1609048), (140, 1551582), (168, 1292985), (177, 1227240), (180, 1206786), (189, 1149320), (210, 1034388), (216, 1005655), (236, 920430), (252, 861990), (270, 804524), (280, 775791), (295, 736344), (315, 689592), (354, 613620), (360, 603393), (378, 574660), (413, 525960), (420, 517194), (472, 460215), (487, 446040), (504, 430995), (531, 409080), (540, 402262), (590, 368172), (630, 344796), (708, 306810), (756, 287330), (826, 262980), (840, 258597), (885, 245448), (945, 229864), (974, 223020), (1062, 204540), (1080, 201131), (1180, 184086), (1239, 175320), (1260, 172398), (1416, 153405), (1461, 148680), (1512, 143665), (1593, 136360), (1652, 131490), (1770, 122724), (1890, 114932), (1948, 111510), (2065, 105192), (2124, 102270), (2360, 92043), (2435, 89208), (2478, 87660), (2520, 86199), (2655, 81816), (2922, 74340), (3186, 68180), (3304, 65745), (3409, 63720), (3540, 61362), (3717, 58440), (3780, 57466), (3896, 55755), (4130, 52596), (4248, 51135), (4383, 49560), (4870, 44604), (4956, 43830), (5310, 40908), (5844, 37170), (6195, 35064), (6372, 34090), (6818, 31860), (7080, 30681), (7305, 29736), (7434, 29220), (7560, 28733), (7965, 27272), (8260, 26298), (8766, 24780), (9740, 22302), (9912, 21915), (10227, 21240), (10620, 20454), (11151, 19480), (11688, 18585), (12390, 17532), (12744, 17045), (13149, 16520), (13636, 15930), (14610, 14868)]