1621633440

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{68947}}^1$

素因数の和:68979

約数の個数: 144

約数和(自身を含む): 5942214432

約数和(自身を除く): 4320580992

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 196, 210, 224, 240, 245, 280, 294, 336, 392, 420, 480, 490, 560, 588, 672, 735, 784, 840, 980, 1120, 1176, 1470, 1568, 1680, 1960, 2352, 2940, 3360, 3920, 4704, 5880, 7840, 11760, 23520, 68947, 137894, 206841, 275788, 344735, 413682, 482629, 551576, 689470, 827364, 965258, 1034205, 1103152, 1378940, 1447887, 1654728, 1930516, 2068410, 2206304, 2413145, 2757880, 2895774, 3309456, 3378403, 3861032, 4136820, 4826290, 5515760, 5791548, 6618912, 6756806, 7239435, 7722064, 8273640, 9652580, 10135209, 11031520, 11583096, 13513612, 14478870, 15444128, 16547280, 16892015, 19305160, 20270418, 23166192, 27027224, 28957740, 33094560, 33784030, 38610320, 40540836, 46332384, 50676045, 54054448, 57915480, 67568060, 77220640, 81081672, 101352090, 108108896, 115830960, 135136120, 162163344, 202704180, 231661920, 270272240, 324326688, 405408360, 540544480, 810816720, 1621633440]

約数ペア:

[(1, 1621633440), (2, 810816720), (3, 540544480), (4, 405408360), (5, 324326688), (6, 270272240), (7, 231661920), (8, 202704180), (10, 162163344), (12, 135136120), (14, 115830960), (15, 108108896), (16, 101352090), (20, 81081672), (21, 77220640), (24, 67568060), (28, 57915480), (30, 54054448), (32, 50676045), (35, 46332384), (40, 40540836), (42, 38610320), (48, 33784030), (49, 33094560), (56, 28957740), (60, 27027224), (70, 23166192), (80, 20270418), (84, 19305160), (96, 16892015), (98, 16547280), (105, 15444128), (112, 14478870), (120, 13513612), (140, 11583096), (147, 11031520), (160, 10135209), (168, 9652580), (196, 8273640), (210, 7722064), (224, 7239435), (240, 6756806), (245, 6618912), (280, 5791548), (294, 5515760), (336, 4826290), (392, 4136820), (420, 3861032), (480, 3378403), (490, 3309456), (560, 2895774), (588, 2757880), (672, 2413145), (735, 2206304), (784, 2068410), (840, 1930516), (980, 1654728), (1120, 1447887), (1176, 1378940), (1470, 1103152), (1568, 1034205), (1680, 965258), (1960, 827364), (2352, 689470), (2940, 551576), (3360, 482629), (3920, 413682), (4704, 344735), (5880, 275788), (7840, 206841), (11760, 137894), (23520, 68947)]