216660240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{571}}^1$

素因数の和:638

約数の個数: 240

約数和(自身を含む): 796663296

約数和(自身を除く): 580003056

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 31, 34, 36, 40, 45, 48, 51, 60, 62, 68, 72, 80, 85, 90, 93, 102, 120, 124, 136, 144, 153, 155, 170, 180, 186, 204, 240, 248, 255, 272, 279, 306, 310, 340, 360, 372, 408, 465, 496, 510, 527, 558, 571, 612, 620, 680, 720, 744, 765, 816, 930, 1020, 1054, 1116, 1142, 1224, 1240, 1360, 1395, 1488, 1530, 1581, 1713, 1860, 2040, 2108, 2232, 2284, 2448, 2480, 2635, 2790, 2855, 3060, 3162, 3426, 3720, 4080, 4216, 4464, 4568, 4743, 5139, 5270, 5580, 5710, 6120, 6324, 6852, 7440, 7905, 8432, 8565, 9136, 9486, 9707, 10278, 10540, 11160, 11420, 12240, 12648, 13704, 15810, 17130, 17701, 18972, 19414, 20556, 21080, 22320, 22840, 23715, 25296, 25695, 27408, 29121, 31620, 34260, 35402, 37944, 38828, 41112, 42160, 45680, 47430, 48535, 51390, 53103, 58242, 63240, 68520, 70804, 75888, 77656, 82224, 87363, 88505, 94860, 97070, 102780, 106206, 116484, 126480, 137040, 141608, 145605, 155312, 159309, 174726, 177010, 189720, 194140, 205560, 212412, 232968, 265515, 283216, 291210, 300917, 318618, 349452, 354020, 379440, 388280, 411120, 424824, 436815, 465936, 531030, 582420, 601834, 637236, 698904, 708040, 776560, 796545, 849648, 873630, 902751, 1062060, 1164840, 1203668, 1274472, 1397808, 1416080, 1504585, 1593090, 1747260, 1805502, 2124120, 2329680, 2407336, 2548944, 2708253, 3009170, 3186180, 3494520, 3611004, 4248240, 4513755, 4814672, 5416506, 6018340, 6372360, 6989040, 7222008, 9027510, 10833012, 12036680, 12744720, 13541265, 14444016, 18055020, 21666024, 24073360, 27082530, 36110040, 43332048, 54165060, 72220080, 108330120, 216660240]

約数ペア:

[(1, 216660240), (2, 108330120), (3, 72220080), (4, 54165060), (5, 43332048), (6, 36110040), (8, 27082530), (9, 24073360), (10, 21666024), (12, 18055020), (15, 14444016), (16, 13541265), (17, 12744720), (18, 12036680), (20, 10833012), (24, 9027510), (30, 7222008), (31, 6989040), (34, 6372360), (36, 6018340), (40, 5416506), (45, 4814672), (48, 4513755), (51, 4248240), (60, 3611004), (62, 3494520), (68, 3186180), (72, 3009170), (80, 2708253), (85, 2548944), (90, 2407336), (93, 2329680), (102, 2124120), (120, 1805502), (124, 1747260), (136, 1593090), (144, 1504585), (153, 1416080), (155, 1397808), (170, 1274472), (180, 1203668), (186, 1164840), (204, 1062060), (240, 902751), (248, 873630), (255, 849648), (272, 796545), (279, 776560), (306, 708040), (310, 698904), (340, 637236), (360, 601834), (372, 582420), (408, 531030), (465, 465936), (496, 436815), (510, 424824), (527, 411120), (558, 388280), (571, 379440), (612, 354020), (620, 349452), (680, 318618), (720, 300917), (744, 291210), (765, 283216), (816, 265515), (930, 232968), (1020, 212412), (1054, 205560), (1116, 194140), (1142, 189720), (1224, 177010), (1240, 174726), (1360, 159309), (1395, 155312), (1488, 145605), (1530, 141608), (1581, 137040), (1713, 126480), (1860, 116484), (2040, 106206), (2108, 102780), (2232, 97070), (2284, 94860), (2448, 88505), (2480, 87363), (2635, 82224), (2790, 77656), (2855, 75888), (3060, 70804), (3162, 68520), (3426, 63240), (3720, 58242), (4080, 53103), (4216, 51390), (4464, 48535), (4568, 47430), (4743, 45680), (5139, 42160), (5270, 41112), (5580, 38828), (5710, 37944), (6120, 35402), (6324, 34260), (6852, 31620), (7440, 29121), (7905, 27408), (8432, 25695), (8565, 25296), (9136, 23715), (9486, 22840), (9707, 22320), (10278, 21080), (10540, 20556), (11160, 19414), (11420, 18972), (12240, 17701), (12648, 17130), (13704, 15810)]