491883840

素因数分解:

$2^6\times 3^4\times 5^1\times 7^1\times {\mathrm{2711}}^1$

素因数の和:2747

約数の個数: 280

約数和(自身を含む): 2000414592

約数和(自身を除く): 1508530752

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 81, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 162, 168, 180, 189, 192, 210, 216, 224, 240, 252, 270, 280, 288, 315, 320, 324, 336, 360, 378, 405, 420, 432, 448, 480, 504, 540, 560, 567, 576, 630, 648, 672, 720, 756, 810, 840, 864, 945, 960, 1008, 1080, 1120, 1134, 1260, 1296, 1344, 1440, 1512, 1620, 1680, 1728, 1890, 2016, 2160, 2240, 2268, 2520, 2592, 2711, 2835, 2880, 3024, 3240, 3360, 3780, 4032, 4320, 4536, 5040, 5184, 5422, 5670, 6048, 6480, 6720, 7560, 8133, 8640, 9072, 10080, 10844, 11340, 12096, 12960, 13555, 15120, 16266, 18144, 18977, 20160, 21688, 22680, 24399, 25920, 27110, 30240, 32532, 36288, 37954, 40665, 43376, 45360, 48798, 54220, 56931, 60480, 65064, 73197, 75908, 81330, 86752, 90720, 94885, 97596, 108440, 113862, 121995, 130128, 146394, 151816, 162660, 170793, 173504, 181440, 189770, 195192, 216880, 219591, 227724, 243990, 260256, 284655, 292788, 303632, 325320, 341586, 365985, 379540, 390384, 433760, 439182, 455448, 487980, 512379, 520512, 569310, 585576, 607264, 650640, 683172, 731970, 759080, 780768, 853965, 867520, 878364, 910896, 975960, 1024758, 1097955, 1138620, 1171152, 1214528, 1301280, 1366344, 1463940, 1518160, 1537137, 1561536, 1707930, 1756728, 1821792, 1951920, 2049516, 2195910, 2277240, 2342304, 2561895, 2602560, 2732688, 2927880, 3036320, 3074274, 3415860, 3513456, 3643584, 3903840, 4099032, 4391820, 4554480, 4684608, 5123790, 5465376, 5855760, 6072640, 6148548, 6831720, 7026912, 7685685, 7807680, 8198064, 8783640, 9108960, 10247580, 10930752, 11711520, 12297096, 13663440, 14053824, 15371370, 16396128, 17567280, 18217920, 20495160, 23423040, 24594192, 27326880, 30742740, 32792256, 35134560, 40990320, 49188384, 54653760, 61485480, 70269120, 81980640, 98376768, 122970960, 163961280, 245941920, 491883840]

約数ペア:

[(1, 491883840), (2, 245941920), (3, 163961280), (4, 122970960), (5, 98376768), (6, 81980640), (7, 70269120), (8, 61485480), (9, 54653760), (10, 49188384), (12, 40990320), (14, 35134560), (15, 32792256), (16, 30742740), (18, 27326880), (20, 24594192), (21, 23423040), (24, 20495160), (27, 18217920), (28, 17567280), (30, 16396128), (32, 15371370), (35, 14053824), (36, 13663440), (40, 12297096), (42, 11711520), (45, 10930752), (48, 10247580), (54, 9108960), (56, 8783640), (60, 8198064), (63, 7807680), (64, 7685685), (70, 7026912), (72, 6831720), (80, 6148548), (81, 6072640), (84, 5855760), (90, 5465376), (96, 5123790), (105, 4684608), (108, 4554480), (112, 4391820), (120, 4099032), (126, 3903840), (135, 3643584), (140, 3513456), (144, 3415860), (160, 3074274), (162, 3036320), (168, 2927880), (180, 2732688), (189, 2602560), (192, 2561895), (210, 2342304), (216, 2277240), (224, 2195910), (240, 2049516), (252, 1951920), (270, 1821792), (280, 1756728), (288, 1707930), (315, 1561536), (320, 1537137), (324, 1518160), (336, 1463940), (360, 1366344), (378, 1301280), (405, 1214528), (420, 1171152), (432, 1138620), (448, 1097955), (480, 1024758), (504, 975960), (540, 910896), (560, 878364), (567, 867520), (576, 853965), (630, 780768), (648, 759080), (672, 731970), (720, 683172), (756, 650640), (810, 607264), (840, 585576), (864, 569310), (945, 520512), (960, 512379), (1008, 487980), (1080, 455448), (1120, 439182), (1134, 433760), (1260, 390384), (1296, 379540), (1344, 365985), (1440, 341586), (1512, 325320), (1620, 303632), (1680, 292788), (1728, 284655), (1890, 260256), (2016, 243990), (2160, 227724), (2240, 219591), (2268, 216880), (2520, 195192), (2592, 189770), (2711, 181440), (2835, 173504), (2880, 170793), (3024, 162660), (3240, 151816), (3360, 146394), (3780, 130128), (4032, 121995), (4320, 113862), (4536, 108440), (5040, 97596), (5184, 94885), (5422, 90720), (5670, 86752), (6048, 81330), (6480, 75908), (6720, 73197), (7560, 65064), (8133, 60480), (8640, 56931), (9072, 54220), (10080, 48798), (10844, 45360), (11340, 43376), (12096, 40665), (12960, 37954), (13555, 36288), (15120, 32532), (16266, 30240), (18144, 27110), (18977, 25920), (20160, 24399), (21688, 22680)]