71785560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{457}}^1$

素因数の和:506

約数の個数: 256

約数和(自身を含む): 284912640

約数和(自身を除く): 213127080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 17, 20, 21, 22, 24, 28, 30, 33, 34, 35, 40, 42, 44, 51, 55, 56, 60, 66, 68, 70, 77, 84, 85, 88, 102, 105, 110, 119, 120, 132, 136, 140, 154, 165, 168, 170, 187, 204, 210, 220, 231, 238, 255, 264, 280, 308, 330, 340, 357, 374, 385, 408, 420, 440, 457, 462, 476, 510, 561, 595, 616, 660, 680, 714, 748, 770, 840, 914, 924, 935, 952, 1020, 1122, 1155, 1190, 1309, 1320, 1371, 1428, 1496, 1540, 1785, 1828, 1848, 1870, 2040, 2244, 2285, 2310, 2380, 2618, 2742, 2805, 2856, 3080, 3199, 3570, 3656, 3740, 3927, 4488, 4570, 4620, 4760, 5027, 5236, 5484, 5610, 6398, 6545, 6855, 7140, 7480, 7769, 7854, 9140, 9240, 9597, 10054, 10472, 10968, 11220, 12796, 13090, 13710, 14280, 15081, 15538, 15708, 15995, 18280, 19194, 19635, 20108, 22440, 23307, 25135, 25592, 26180, 27420, 30162, 31076, 31416, 31990, 35189, 38388, 38845, 39270, 40216, 46614, 47985, 50270, 52360, 54383, 54840, 60324, 62152, 63980, 70378, 75405, 76776, 77690, 78540, 85459, 93228, 95970, 100540, 105567, 108766, 116535, 120648, 127960, 140756, 150810, 155380, 157080, 163149, 170918, 175945, 186456, 191940, 201080, 211134, 217532, 233070, 256377, 271915, 281512, 301620, 310760, 326298, 341836, 351890, 383880, 422268, 427295, 435064, 466140, 512754, 527835, 543830, 598213, 603240, 652596, 683672, 703780, 815745, 844536, 854590, 932280, 1025508, 1055670, 1087660, 1196426, 1281885, 1305192, 1407560, 1631490, 1709180, 1794639, 2051016, 2111340, 2175320, 2392852, 2563770, 2991065, 3262980, 3418360, 3589278, 4222680, 4785704, 5127540, 5982130, 6525960, 7178556, 8973195, 10255080, 11964260, 14357112, 17946390, 23928520, 35892780, 71785560]

約数ペア:

[(1, 71785560), (2, 35892780), (3, 23928520), (4, 17946390), (5, 14357112), (6, 11964260), (7, 10255080), (8, 8973195), (10, 7178556), (11, 6525960), (12, 5982130), (14, 5127540), (15, 4785704), (17, 4222680), (20, 3589278), (21, 3418360), (22, 3262980), (24, 2991065), (28, 2563770), (30, 2392852), (33, 2175320), (34, 2111340), (35, 2051016), (40, 1794639), (42, 1709180), (44, 1631490), (51, 1407560), (55, 1305192), (56, 1281885), (60, 1196426), (66, 1087660), (68, 1055670), (70, 1025508), (77, 932280), (84, 854590), (85, 844536), (88, 815745), (102, 703780), (105, 683672), (110, 652596), (119, 603240), (120, 598213), (132, 543830), (136, 527835), (140, 512754), (154, 466140), (165, 435064), (168, 427295), (170, 422268), (187, 383880), (204, 351890), (210, 341836), (220, 326298), (231, 310760), (238, 301620), (255, 281512), (264, 271915), (280, 256377), (308, 233070), (330, 217532), (340, 211134), (357, 201080), (374, 191940), (385, 186456), (408, 175945), (420, 170918), (440, 163149), (457, 157080), (462, 155380), (476, 150810), (510, 140756), (561, 127960), (595, 120648), (616, 116535), (660, 108766), (680, 105567), (714, 100540), (748, 95970), (770, 93228), (840, 85459), (914, 78540), (924, 77690), (935, 76776), (952, 75405), (1020, 70378), (1122, 63980), (1155, 62152), (1190, 60324), (1309, 54840), (1320, 54383), (1371, 52360), (1428, 50270), (1496, 47985), (1540, 46614), (1785, 40216), (1828, 39270), (1848, 38845), (1870, 38388), (2040, 35189), (2244, 31990), (2285, 31416), (2310, 31076), (2380, 30162), (2618, 27420), (2742, 26180), (2805, 25592), (2856, 25135), (3080, 23307), (3199, 22440), (3570, 20108), (3656, 19635), (3740, 19194), (3927, 18280), (4488, 15995), (4570, 15708), (4620, 15538), (4760, 15081), (5027, 14280), (5236, 13710), (5484, 13090), (5610, 12796), (6398, 11220), (6545, 10968), (6855, 10472), (7140, 10054), (7480, 9597), (7769, 9240), (7854, 9140)]