1979916960

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{7459}}^1$

素因数の和:7563

約数の個数: 192

約数和(自身を含む): 7218892800

約数和(自身を除く): 5238975840

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, 56, 60, 70, 79, 80, 84, 96, 105, 112, 120, 140, 158, 160, 168, 210, 224, 237, 240, 280, 316, 336, 395, 420, 474, 480, 553, 560, 632, 672, 790, 840, 948, 1106, 1120, 1185, 1264, 1580, 1659, 1680, 1896, 2212, 2370, 2528, 2765, 3160, 3318, 3360, 3792, 4424, 4740, 5530, 6320, 6636, 7459, 7584, 8295, 8848, 9480, 11060, 12640, 13272, 14918, 16590, 17696, 18960, 22120, 22377, 26544, 29836, 33180, 37295, 37920, 44240, 44754, 52213, 53088, 59672, 66360, 74590, 88480, 89508, 104426, 111885, 119344, 132720, 149180, 156639, 179016, 208852, 223770, 238688, 261065, 265440, 298360, 313278, 358032, 417704, 447540, 522130, 589261, 596720, 626556, 716064, 783195, 835408, 895080, 1044260, 1178522, 1193440, 1253112, 1566390, 1670816, 1767783, 1790160, 2088520, 2357044, 2506224, 2946305, 3132780, 3535566, 3580320, 4124827, 4177040, 4714088, 5012448, 5892610, 6265560, 7071132, 8249654, 8354080, 8838915, 9428176, 11785220, 12374481, 12531120, 14142264, 16499308, 17677830, 18856352, 20624135, 23570440, 24748962, 25062240, 28284528, 32998616, 35355660, 41248270, 47140880, 49497924, 56569056, 61872405, 65997232, 70711320, 82496540, 94281760, 98995848, 123744810, 131994464, 141422640, 164993080, 197991696, 247489620, 282845280, 329986160, 395983392, 494979240, 659972320, 989958480, 1979916960]

約数ペア:

[(1, 1979916960), (2, 989958480), (3, 659972320), (4, 494979240), (5, 395983392), (6, 329986160), (7, 282845280), (8, 247489620), (10, 197991696), (12, 164993080), (14, 141422640), (15, 131994464), (16, 123744810), (20, 98995848), (21, 94281760), (24, 82496540), (28, 70711320), (30, 65997232), (32, 61872405), (35, 56569056), (40, 49497924), (42, 47140880), (48, 41248270), (56, 35355660), (60, 32998616), (70, 28284528), (79, 25062240), (80, 24748962), (84, 23570440), (96, 20624135), (105, 18856352), (112, 17677830), (120, 16499308), (140, 14142264), (158, 12531120), (160, 12374481), (168, 11785220), (210, 9428176), (224, 8838915), (237, 8354080), (240, 8249654), (280, 7071132), (316, 6265560), (336, 5892610), (395, 5012448), (420, 4714088), (474, 4177040), (480, 4124827), (553, 3580320), (560, 3535566), (632, 3132780), (672, 2946305), (790, 2506224), (840, 2357044), (948, 2088520), (1106, 1790160), (1120, 1767783), (1185, 1670816), (1264, 1566390), (1580, 1253112), (1659, 1193440), (1680, 1178522), (1896, 1044260), (2212, 895080), (2370, 835408), (2528, 783195), (2765, 716064), (3160, 626556), (3318, 596720), (3360, 589261), (3792, 522130), (4424, 447540), (4740, 417704), (5530, 358032), (6320, 313278), (6636, 298360), (7459, 265440), (7584, 261065), (8295, 238688), (8848, 223770), (9480, 208852), (11060, 179016), (12640, 156639), (13272, 149180), (14918, 132720), (16590, 119344), (17696, 111885), (18960, 104426), (22120, 89508), (22377, 88480), (26544, 74590), (29836, 66360), (33180, 59672), (37295, 53088), (37920, 52213), (44240, 44754)]