420270480

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1367}}^1$

素因数の和:1454

約数の個数: 240

約数和(自身を含む): 1640680704

約数和(自身を除く): 1220410224

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 61, 63, 70, 72, 80, 84, 90, 105, 112, 120, 122, 126, 140, 144, 168, 180, 183, 210, 240, 244, 252, 280, 305, 315, 336, 360, 366, 420, 427, 488, 504, 549, 560, 610, 630, 720, 732, 840, 854, 915, 976, 1008, 1098, 1220, 1260, 1281, 1367, 1464, 1680, 1708, 1830, 2135, 2196, 2440, 2520, 2562, 2734, 2745, 2928, 3416, 3660, 3843, 4101, 4270, 4392, 4880, 5040, 5124, 5468, 5490, 6405, 6832, 6835, 7320, 7686, 8202, 8540, 8784, 9569, 10248, 10936, 10980, 12303, 12810, 13670, 14640, 15372, 16404, 17080, 19138, 19215, 20496, 20505, 21872, 21960, 24606, 25620, 27340, 28707, 30744, 32808, 34160, 38276, 38430, 41010, 43920, 47845, 49212, 51240, 54680, 57414, 61488, 61515, 65616, 76552, 76860, 82020, 83387, 86121, 95690, 98424, 102480, 109360, 114828, 123030, 143535, 153104, 153720, 164040, 166774, 172242, 191380, 196848, 229656, 246060, 250161, 287070, 307440, 328080, 333548, 344484, 382760, 416935, 430605, 459312, 492120, 500322, 574140, 583709, 667096, 688968, 750483, 765520, 833870, 861210, 984240, 1000644, 1148280, 1167418, 1250805, 1334192, 1377936, 1500966, 1667740, 1722420, 1751127, 2001288, 2296560, 2334836, 2501610, 2918545, 3001932, 3335480, 3444840, 3502254, 3752415, 4002576, 4669672, 5003220, 5253381, 5837090, 6003864, 6670960, 6889680, 7004508, 7504830, 8755635, 9339344, 10006440, 10506762, 11674180, 12007728, 14009016, 15009660, 17511270, 20012880, 21013524, 23348360, 26266905, 28018032, 30019320, 35022540, 42027048, 46696720, 52533810, 60038640, 70045080, 84054096, 105067620, 140090160, 210135240, 420270480]

約数ペア:

[(1, 420270480), (2, 210135240), (3, 140090160), (4, 105067620), (5, 84054096), (6, 70045080), (7, 60038640), (8, 52533810), (9, 46696720), (10, 42027048), (12, 35022540), (14, 30019320), (15, 28018032), (16, 26266905), (18, 23348360), (20, 21013524), (21, 20012880), (24, 17511270), (28, 15009660), (30, 14009016), (35, 12007728), (36, 11674180), (40, 10506762), (42, 10006440), (45, 9339344), (48, 8755635), (56, 7504830), (60, 7004508), (61, 6889680), (63, 6670960), (70, 6003864), (72, 5837090), (80, 5253381), (84, 5003220), (90, 4669672), (105, 4002576), (112, 3752415), (120, 3502254), (122, 3444840), (126, 3335480), (140, 3001932), (144, 2918545), (168, 2501610), (180, 2334836), (183, 2296560), (210, 2001288), (240, 1751127), (244, 1722420), (252, 1667740), (280, 1500966), (305, 1377936), (315, 1334192), (336, 1250805), (360, 1167418), (366, 1148280), (420, 1000644), (427, 984240), (488, 861210), (504, 833870), (549, 765520), (560, 750483), (610, 688968), (630, 667096), (720, 583709), (732, 574140), (840, 500322), (854, 492120), (915, 459312), (976, 430605), (1008, 416935), (1098, 382760), (1220, 344484), (1260, 333548), (1281, 328080), (1367, 307440), (1464, 287070), (1680, 250161), (1708, 246060), (1830, 229656), (2135, 196848), (2196, 191380), (2440, 172242), (2520, 166774), (2562, 164040), (2734, 153720), (2745, 153104), (2928, 143535), (3416, 123030), (3660, 114828), (3843, 109360), (4101, 102480), (4270, 98424), (4392, 95690), (4880, 86121), (5040, 83387), (5124, 82020), (5468, 76860), (5490, 76552), (6405, 65616), (6832, 61515), (6835, 61488), (7320, 57414), (7686, 54680), (8202, 51240), (8540, 49212), (8784, 47845), (9569, 43920), (10248, 41010), (10936, 38430), (10980, 38276), (12303, 34160), (12810, 32808), (13670, 30744), (14640, 28707), (15372, 27340), (16404, 25620), (17080, 24606), (19138, 21960), (19215, 21872), (20496, 20505)]