810529720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{653}}^1$

素因数の和:726

約数の個数: 256

約数和(自身を含む): 2531450880

約数和(自身を除く): 1720921160

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 20, 22, 26, 28, 31, 35, 40, 44, 52, 55, 56, 62, 65, 70, 77, 88, 91, 104, 110, 124, 130, 140, 143, 154, 155, 182, 217, 220, 248, 260, 280, 286, 308, 310, 341, 364, 385, 403, 434, 440, 455, 520, 572, 616, 620, 653, 682, 715, 728, 770, 806, 868, 910, 1001, 1085, 1144, 1240, 1306, 1364, 1430, 1540, 1612, 1705, 1736, 1820, 2002, 2015, 2170, 2387, 2612, 2728, 2821, 2860, 3080, 3224, 3265, 3410, 3640, 4004, 4030, 4340, 4433, 4571, 4774, 5005, 5224, 5642, 5720, 6530, 6820, 7183, 8008, 8060, 8489, 8680, 8866, 9142, 9548, 10010, 11284, 11935, 13060, 13640, 14105, 14366, 16120, 16978, 17732, 18284, 19096, 20020, 20243, 22165, 22568, 22855, 23870, 26120, 28210, 28732, 31031, 33956, 35464, 35915, 36568, 40040, 40486, 42445, 44330, 45710, 47740, 50281, 56420, 57464, 59423, 62062, 67912, 71830, 80972, 84890, 88660, 91420, 93379, 95480, 100562, 101215, 112840, 118846, 124124, 141701, 143660, 155155, 161944, 169780, 177320, 182840, 186758, 201124, 202430, 222673, 237692, 248248, 251405, 263159, 283402, 287320, 297115, 310310, 339560, 373516, 402248, 404860, 445346, 466895, 475384, 502810, 526318, 566804, 594230, 620620, 653653, 708505, 747032, 809720, 890692, 933790, 1005620, 1052636, 1113365, 1133608, 1188460, 1241240, 1307306, 1315795, 1417010, 1558711, 1781384, 1842113, 1867580, 2011240, 2105272, 2226730, 2376920, 2614612, 2631590, 2834020, 2894749, 3117422, 3268265, 3684226, 3735160, 4453460, 5229224, 5263180, 5668040, 5789498, 6234844, 6536530, 7368452, 7793555, 8906920, 9210565, 10526360, 11578996, 12469688, 13073060, 14473745, 14736904, 15587110, 18421130, 20263243, 23157992, 26146120, 28947490, 31174220, 36842260, 40526486, 57894980, 62348440, 73684520, 81052972, 101316215, 115789960, 162105944, 202632430, 405264860, 810529720]

約数ペア:

[(1, 810529720), (2, 405264860), (4, 202632430), (5, 162105944), (7, 115789960), (8, 101316215), (10, 81052972), (11, 73684520), (13, 62348440), (14, 57894980), (20, 40526486), (22, 36842260), (26, 31174220), (28, 28947490), (31, 26146120), (35, 23157992), (40, 20263243), (44, 18421130), (52, 15587110), (55, 14736904), (56, 14473745), (62, 13073060), (65, 12469688), (70, 11578996), (77, 10526360), (88, 9210565), (91, 8906920), (104, 7793555), (110, 7368452), (124, 6536530), (130, 6234844), (140, 5789498), (143, 5668040), (154, 5263180), (155, 5229224), (182, 4453460), (217, 3735160), (220, 3684226), (248, 3268265), (260, 3117422), (280, 2894749), (286, 2834020), (308, 2631590), (310, 2614612), (341, 2376920), (364, 2226730), (385, 2105272), (403, 2011240), (434, 1867580), (440, 1842113), (455, 1781384), (520, 1558711), (572, 1417010), (616, 1315795), (620, 1307306), (653, 1241240), (682, 1188460), (715, 1133608), (728, 1113365), (770, 1052636), (806, 1005620), (868, 933790), (910, 890692), (1001, 809720), (1085, 747032), (1144, 708505), (1240, 653653), (1306, 620620), (1364, 594230), (1430, 566804), (1540, 526318), (1612, 502810), (1705, 475384), (1736, 466895), (1820, 445346), (2002, 404860), (2015, 402248), (2170, 373516), (2387, 339560), (2612, 310310), (2728, 297115), (2821, 287320), (2860, 283402), (3080, 263159), (3224, 251405), (3265, 248248), (3410, 237692), (3640, 222673), (4004, 202430), (4030, 201124), (4340, 186758), (4433, 182840), (4571, 177320), (4774, 169780), (5005, 161944), (5224, 155155), (5642, 143660), (5720, 141701), (6530, 124124), (6820, 118846), (7183, 112840), (8008, 101215), (8060, 100562), (8489, 95480), (8680, 93379), (8866, 91420), (9142, 88660), (9548, 84890), (10010, 80972), (11284, 71830), (11935, 67912), (13060, 62062), (13640, 59423), (14105, 57464), (14366, 56420), (16120, 50281), (16978, 47740), (17732, 45710), (18284, 44330), (19096, 42445), (20020, 40486), (20243, 40040), (22165, 36568), (22568, 35915), (22855, 35464), (23870, 33956), (26120, 31031), (28210, 28732)]