648520320

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{661}}^1$

素因数の和:763

約数の個数: 256

約数和(自身を含む): 2398452480

約数和(自身を除く): 1749932160

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, 64, 70, 73, 80, 84, 96, 105, 112, 120, 128, 140, 146, 160, 168, 192, 210, 219, 224, 240, 280, 292, 320, 336, 365, 384, 420, 438, 448, 480, 511, 560, 584, 640, 661, 672, 730, 840, 876, 896, 960, 1022, 1095, 1120, 1168, 1322, 1344, 1460, 1533, 1680, 1752, 1920, 1983, 2044, 2190, 2240, 2336, 2555, 2644, 2688, 2920, 3066, 3305, 3360, 3504, 3966, 4088, 4380, 4480, 4627, 4672, 5110, 5288, 5840, 6132, 6610, 6720, 7008, 7665, 7932, 8176, 8760, 9254, 9344, 9915, 10220, 10576, 11680, 12264, 13220, 13440, 13881, 14016, 15330, 15864, 16352, 17520, 18508, 19830, 20440, 21152, 23135, 23360, 24528, 26440, 27762, 28032, 30660, 31728, 32704, 35040, 37016, 39660, 40880, 42304, 46270, 46720, 48253, 49056, 52880, 55524, 61320, 63456, 65408, 69405, 70080, 74032, 79320, 81760, 84608, 92540, 96506, 98112, 105760, 111048, 122640, 126912, 138810, 140160, 144759, 148064, 158640, 163520, 185080, 193012, 196224, 211520, 222096, 241265, 245280, 253824, 277620, 289518, 296128, 317280, 327040, 337771, 370160, 386024, 423040, 444192, 482530, 490560, 555240, 579036, 592256, 634560, 675542, 723795, 740320, 772048, 888384, 965060, 981120, 1013313, 1110480, 1158072, 1269120, 1351084, 1447590, 1480640, 1544096, 1688855, 1776768, 1930120, 2026626, 2220960, 2316144, 2702168, 2895180, 2961280, 3088192, 3377710, 3860240, 4053252, 4441920, 4632288, 5066565, 5404336, 5790360, 6176384, 6755420, 7720480, 8106504, 8883840, 9264576, 10133130, 10808672, 11580720, 13510840, 15440960, 16213008, 18529152, 20266260, 21617344, 23161440, 27021680, 30881920, 32426016, 40532520, 43234688, 46322880, 54043360, 64852032, 81065040, 92645760, 108086720, 129704064, 162130080, 216173440, 324260160, 648520320]

約数ペア:

[(1, 648520320), (2, 324260160), (3, 216173440), (4, 162130080), (5, 129704064), (6, 108086720), (7, 92645760), (8, 81065040), (10, 64852032), (12, 54043360), (14, 46322880), (15, 43234688), (16, 40532520), (20, 32426016), (21, 30881920), (24, 27021680), (28, 23161440), (30, 21617344), (32, 20266260), (35, 18529152), (40, 16213008), (42, 15440960), (48, 13510840), (56, 11580720), (60, 10808672), (64, 10133130), (70, 9264576), (73, 8883840), (80, 8106504), (84, 7720480), (96, 6755420), (105, 6176384), (112, 5790360), (120, 5404336), (128, 5066565), (140, 4632288), (146, 4441920), (160, 4053252), (168, 3860240), (192, 3377710), (210, 3088192), (219, 2961280), (224, 2895180), (240, 2702168), (280, 2316144), (292, 2220960), (320, 2026626), (336, 1930120), (365, 1776768), (384, 1688855), (420, 1544096), (438, 1480640), (448, 1447590), (480, 1351084), (511, 1269120), (560, 1158072), (584, 1110480), (640, 1013313), (661, 981120), (672, 965060), (730, 888384), (840, 772048), (876, 740320), (896, 723795), (960, 675542), (1022, 634560), (1095, 592256), (1120, 579036), (1168, 555240), (1322, 490560), (1344, 482530), (1460, 444192), (1533, 423040), (1680, 386024), (1752, 370160), (1920, 337771), (1983, 327040), (2044, 317280), (2190, 296128), (2240, 289518), (2336, 277620), (2555, 253824), (2644, 245280), (2688, 241265), (2920, 222096), (3066, 211520), (3305, 196224), (3360, 193012), (3504, 185080), (3966, 163520), (4088, 158640), (4380, 148064), (4480, 144759), (4627, 140160), (4672, 138810), (5110, 126912), (5288, 122640), (5840, 111048), (6132, 105760), (6610, 98112), (6720, 96506), (7008, 92540), (7665, 84608), (7932, 81760), (8176, 79320), (8760, 74032), (9254, 70080), (9344, 69405), (9915, 65408), (10220, 63456), (10576, 61320), (11680, 55524), (12264, 52880), (13220, 49056), (13440, 48253), (13881, 46720), (14016, 46270), (15330, 42304), (15864, 40880), (16352, 39660), (17520, 37016), (18508, 35040), (19830, 32704), (20440, 31728), (21152, 30660), (23135, 28032), (23360, 27762), (24528, 26440)]