638941440

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{227}}^1\times {\mathrm{733}}^1$

素因数の和:984

約数の個数: 144

約数和(自身を含む): 2052404928

約数和(自身を除く): 1413463488

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 227, 240, 256, 320, 384, 454, 480, 640, 681, 733, 768, 908, 960, 1135, 1280, 1362, 1466, 1816, 1920, 2199, 2270, 2724, 2932, 3405, 3632, 3665, 3840, 4398, 4540, 5448, 5864, 6810, 7264, 7330, 8796, 9080, 10896, 10995, 11728, 13620, 14528, 14660, 17592, 18160, 21792, 21990, 23456, 27240, 29056, 29320, 35184, 36320, 43584, 43980, 46912, 54480, 58112, 58640, 70368, 72640, 87168, 87960, 93824, 108960, 117280, 140736, 145280, 166391, 174336, 175920, 187648, 217920, 234560, 281472, 290560, 332782, 351840, 435840, 469120, 499173, 562944, 665564, 703680, 831955, 871680, 938240, 998346, 1331128, 1407360, 1663910, 1996692, 2495865, 2662256, 2814720, 3327820, 3993384, 4991730, 5324512, 6655640, 7986768, 9983460, 10649024, 13311280, 15973536, 19966920, 21298048, 26622560, 31947072, 39933840, 42596096, 53245120, 63894144, 79867680, 106490240, 127788288, 159735360, 212980480, 319470720, 638941440]

約数ペア:

[(1, 638941440), (2, 319470720), (3, 212980480), (4, 159735360), (5, 127788288), (6, 106490240), (8, 79867680), (10, 63894144), (12, 53245120), (15, 42596096), (16, 39933840), (20, 31947072), (24, 26622560), (30, 21298048), (32, 19966920), (40, 15973536), (48, 13311280), (60, 10649024), (64, 9983460), (80, 7986768), (96, 6655640), (120, 5324512), (128, 4991730), (160, 3993384), (192, 3327820), (227, 2814720), (240, 2662256), (256, 2495865), (320, 1996692), (384, 1663910), (454, 1407360), (480, 1331128), (640, 998346), (681, 938240), (733, 871680), (768, 831955), (908, 703680), (960, 665564), (1135, 562944), (1280, 499173), (1362, 469120), (1466, 435840), (1816, 351840), (1920, 332782), (2199, 290560), (2270, 281472), (2724, 234560), (2932, 217920), (3405, 187648), (3632, 175920), (3665, 174336), (3840, 166391), (4398, 145280), (4540, 140736), (5448, 117280), (5864, 108960), (6810, 93824), (7264, 87960), (7330, 87168), (8796, 72640), (9080, 70368), (10896, 58640), (10995, 58112), (11728, 54480), (13620, 46912), (14528, 43980), (14660, 43584), (17592, 36320), (18160, 35184), (21792, 29320), (21990, 29056), (23456, 27240)]