398990880

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4861}}^1$

素因数の和:4904

約数の個数: 192

約数和(自身を含む): 1470268800

約数和(自身を除く): 1071277920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 90, 95, 96, 108, 114, 120, 135, 144, 152, 160, 171, 180, 190, 216, 228, 240, 270, 285, 288, 304, 342, 360, 380, 432, 456, 480, 513, 540, 570, 608, 684, 720, 760, 855, 864, 912, 1026, 1080, 1140, 1368, 1440, 1520, 1710, 1824, 2052, 2160, 2280, 2565, 2736, 3040, 3420, 4104, 4320, 4560, 4861, 5130, 5472, 6840, 8208, 9120, 9722, 10260, 13680, 14583, 16416, 19444, 20520, 24305, 27360, 29166, 38888, 41040, 43749, 48610, 58332, 72915, 77776, 82080, 87498, 92359, 97220, 116664, 131247, 145830, 155552, 174996, 184718, 194440, 218745, 233328, 262494, 277077, 291660, 349992, 369436, 388880, 437490, 461795, 466656, 524988, 554154, 583320, 656235, 699984, 738872, 777760, 831231, 874980, 923590, 1049976, 1108308, 1166640, 1312470, 1385385, 1399968, 1477744, 1662462, 1749960, 1847180, 2099952, 2216616, 2333280, 2493693, 2624940, 2770770, 2955488, 3324924, 3499920, 3694360, 4156155, 4199904, 4433232, 4987386, 5249880, 5541540, 6649848, 6999840, 7388720, 8312310, 8866464, 9974772, 10499760, 11083080, 12468465, 13299696, 14777440, 16624620, 19949544, 20999520, 22166160, 24936930, 26599392, 33249240, 39899088, 44332320, 49873860, 66498480, 79798176, 99747720, 132996960, 199495440, 398990880]

約数ペア:

[(1, 398990880), (2, 199495440), (3, 132996960), (4, 99747720), (5, 79798176), (6, 66498480), (8, 49873860), (9, 44332320), (10, 39899088), (12, 33249240), (15, 26599392), (16, 24936930), (18, 22166160), (19, 20999520), (20, 19949544), (24, 16624620), (27, 14777440), (30, 13299696), (32, 12468465), (36, 11083080), (38, 10499760), (40, 9974772), (45, 8866464), (48, 8312310), (54, 7388720), (57, 6999840), (60, 6649848), (72, 5541540), (76, 5249880), (80, 4987386), (90, 4433232), (95, 4199904), (96, 4156155), (108, 3694360), (114, 3499920), (120, 3324924), (135, 2955488), (144, 2770770), (152, 2624940), (160, 2493693), (171, 2333280), (180, 2216616), (190, 2099952), (216, 1847180), (228, 1749960), (240, 1662462), (270, 1477744), (285, 1399968), (288, 1385385), (304, 1312470), (342, 1166640), (360, 1108308), (380, 1049976), (432, 923590), (456, 874980), (480, 831231), (513, 777760), (540, 738872), (570, 699984), (608, 656235), (684, 583320), (720, 554154), (760, 524988), (855, 466656), (864, 461795), (912, 437490), (1026, 388880), (1080, 369436), (1140, 349992), (1368, 291660), (1440, 277077), (1520, 262494), (1710, 233328), (1824, 218745), (2052, 194440), (2160, 184718), (2280, 174996), (2565, 155552), (2736, 145830), (3040, 131247), (3420, 116664), (4104, 97220), (4320, 92359), (4560, 87498), (4861, 82080), (5130, 77776), (5472, 72915), (6840, 58332), (8208, 48610), (9120, 43749), (9722, 41040), (10260, 38888), (13680, 29166), (14583, 27360), (16416, 24305), (19444, 20520)]