20921397180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{251}}^1\times {\mathrm{1093}}^1$

素因数の和:1428

約数の個数: 192

約数和(自身を含む): 62248144896

約数和(自身を除く): 41326747716

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 41, 60, 62, 82, 93, 123, 124, 155, 164, 186, 205, 246, 251, 310, 372, 410, 465, 492, 502, 615, 620, 753, 820, 930, 1004, 1093, 1230, 1255, 1271, 1506, 1860, 2186, 2460, 2510, 2542, 3012, 3279, 3765, 3813, 4372, 5020, 5084, 5465, 6355, 6558, 7530, 7626, 7781, 10291, 10930, 12710, 13116, 15060, 15252, 15562, 16395, 19065, 20582, 21860, 23343, 25420, 30873, 31124, 32790, 33883, 38130, 38905, 41164, 44813, 46686, 51455, 61746, 65580, 67766, 76260, 77810, 89626, 93372, 101649, 102910, 116715, 123492, 134439, 135532, 154365, 155620, 169415, 179252, 203298, 205820, 224065, 233430, 268878, 274343, 308730, 319021, 338830, 406596, 448130, 466860, 508245, 537756, 548686, 617460, 638042, 672195, 677660, 823029, 896260, 957063, 1016490, 1097372, 1276084, 1344390, 1371715, 1389203, 1595105, 1646058, 1914126, 2032980, 2688780, 2743430, 2778406, 3190210, 3292116, 3828252, 4115145, 4167609, 4785315, 5486860, 5556812, 6380420, 6946015, 8230290, 8335218, 8504633, 9570630, 11248063, 13892030, 16460580, 16670436, 17009266, 19141260, 20838045, 22496126, 25513899, 27784060, 33744189, 34018532, 41676090, 42523165, 44992252, 51027798, 56240315, 67488378, 83352180, 85046330, 102055596, 112480630, 127569495, 134976756, 168720945, 170092660, 224961260, 255138990, 337441890, 348689953, 510277980, 674883780, 697379906, 1046069859, 1394759812, 1743449765, 2092139718, 3486899530, 4184279436, 5230349295, 6973799060, 10460698590, 20921397180]

約数ペア:

[(1, 20921397180), (2, 10460698590), (3, 6973799060), (4, 5230349295), (5, 4184279436), (6, 3486899530), (10, 2092139718), (12, 1743449765), (15, 1394759812), (20, 1046069859), (30, 697379906), (31, 674883780), (41, 510277980), (60, 348689953), (62, 337441890), (82, 255138990), (93, 224961260), (123, 170092660), (124, 168720945), (155, 134976756), (164, 127569495), (186, 112480630), (205, 102055596), (246, 85046330), (251, 83352180), (310, 67488378), (372, 56240315), (410, 51027798), (465, 44992252), (492, 42523165), (502, 41676090), (615, 34018532), (620, 33744189), (753, 27784060), (820, 25513899), (930, 22496126), (1004, 20838045), (1093, 19141260), (1230, 17009266), (1255, 16670436), (1271, 16460580), (1506, 13892030), (1860, 11248063), (2186, 9570630), (2460, 8504633), (2510, 8335218), (2542, 8230290), (3012, 6946015), (3279, 6380420), (3765, 5556812), (3813, 5486860), (4372, 4785315), (5020, 4167609), (5084, 4115145), (5465, 3828252), (6355, 3292116), (6558, 3190210), (7530, 2778406), (7626, 2743430), (7781, 2688780), (10291, 2032980), (10930, 1914126), (12710, 1646058), (13116, 1595105), (15060, 1389203), (15252, 1371715), (15562, 1344390), (16395, 1276084), (19065, 1097372), (20582, 1016490), (21860, 957063), (23343, 896260), (25420, 823029), (30873, 677660), (31124, 672195), (32790, 638042), (33883, 617460), (38130, 548686), (38905, 537756), (41164, 508245), (44813, 466860), (46686, 448130), (51455, 406596), (61746, 338830), (65580, 319021), (67766, 308730), (76260, 274343), (77810, 268878), (89626, 233430), (93372, 224065), (101649, 205820), (102910, 203298), (116715, 179252), (123492, 169415), (134439, 155620), (135532, 154365)]