1955456440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1$

素因数の和:306

約数の個数: 256

約数和(自身を含む): 5573836800

約数和(自身を除く): 3618380360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 31, 35, 38, 40, 56, 62, 70, 71, 76, 95, 124, 133, 140, 142, 152, 155, 167, 190, 217, 248, 266, 280, 284, 310, 334, 355, 380, 434, 497, 532, 568, 589, 620, 665, 668, 710, 760, 835, 868, 994, 1064, 1085, 1169, 1178, 1240, 1330, 1336, 1349, 1420, 1670, 1736, 1988, 2170, 2201, 2338, 2356, 2485, 2660, 2698, 2840, 2945, 3173, 3340, 3976, 4123, 4340, 4402, 4676, 4712, 4970, 5177, 5320, 5396, 5845, 5890, 6346, 6680, 6745, 8246, 8680, 8804, 9352, 9443, 9940, 10354, 10792, 11005, 11690, 11780, 11857, 12692, 13490, 15407, 15865, 16492, 17608, 18886, 19880, 20615, 20708, 22010, 22211, 23380, 23560, 23714, 25384, 25885, 26980, 30814, 31730, 32984, 36239, 37772, 41230, 41416, 41819, 44020, 44422, 46760, 47215, 47428, 51770, 53960, 59285, 61628, 63460, 72478, 75544, 77035, 82460, 82999, 83638, 88040, 88844, 94430, 94856, 98363, 103540, 111055, 118570, 123256, 126920, 144956, 154070, 164920, 165998, 167276, 177688, 181195, 188860, 196726, 207080, 209095, 222110, 225283, 237140, 289912, 292733, 308140, 331996, 334552, 362390, 367567, 377720, 393452, 414995, 418190, 444220, 450566, 474280, 491815, 585466, 616280, 663992, 688541, 724780, 735134, 786904, 829990, 836380, 888440, 901132, 983630, 1126415, 1170932, 1377082, 1449560, 1463665, 1470268, 1576981, 1659980, 1672760, 1802264, 1837835, 1967260, 2252830, 2341864, 2572969, 2754164, 2927330, 2940536, 3153962, 3319960, 3442705, 3675670, 3934520, 4505660, 5145938, 5508328, 5854660, 6307924, 6885410, 6983773, 7351340, 7884905, 9011320, 10291876, 11709320, 12615848, 12864845, 13770820, 13967546, 14702680, 15769810, 20583752, 25729690, 27541640, 27935092, 31539620, 34918865, 48886411, 51459380, 55870184, 63079240, 69837730, 97772822, 102918760, 139675460, 195545644, 244432055, 279350920, 391091288, 488864110, 977728220, 1955456440]

約数ペア:

[(1, 1955456440), (2, 977728220), (4, 488864110), (5, 391091288), (7, 279350920), (8, 244432055), (10, 195545644), (14, 139675460), (19, 102918760), (20, 97772822), (28, 69837730), (31, 63079240), (35, 55870184), (38, 51459380), (40, 48886411), (56, 34918865), (62, 31539620), (70, 27935092), (71, 27541640), (76, 25729690), (95, 20583752), (124, 15769810), (133, 14702680), (140, 13967546), (142, 13770820), (152, 12864845), (155, 12615848), (167, 11709320), (190, 10291876), (217, 9011320), (248, 7884905), (266, 7351340), (280, 6983773), (284, 6885410), (310, 6307924), (334, 5854660), (355, 5508328), (380, 5145938), (434, 4505660), (497, 3934520), (532, 3675670), (568, 3442705), (589, 3319960), (620, 3153962), (665, 2940536), (668, 2927330), (710, 2754164), (760, 2572969), (835, 2341864), (868, 2252830), (994, 1967260), (1064, 1837835), (1085, 1802264), (1169, 1672760), (1178, 1659980), (1240, 1576981), (1330, 1470268), (1336, 1463665), (1349, 1449560), (1420, 1377082), (1670, 1170932), (1736, 1126415), (1988, 983630), (2170, 901132), (2201, 888440), (2338, 836380), (2356, 829990), (2485, 786904), (2660, 735134), (2698, 724780), (2840, 688541), (2945, 663992), (3173, 616280), (3340, 585466), (3976, 491815), (4123, 474280), (4340, 450566), (4402, 444220), (4676, 418190), (4712, 414995), (4970, 393452), (5177, 377720), (5320, 367567), (5396, 362390), (5845, 334552), (5890, 331996), (6346, 308140), (6680, 292733), (6745, 289912), (8246, 237140), (8680, 225283), (8804, 222110), (9352, 209095), (9443, 207080), (9940, 196726), (10354, 188860), (10792, 181195), (11005, 177688), (11690, 167276), (11780, 165998), (11857, 164920), (12692, 154070), (13490, 144956), (15407, 126920), (15865, 123256), (16492, 118570), (17608, 111055), (18886, 103540), (19880, 98363), (20615, 94856), (20708, 94430), (22010, 88844), (22211, 88040), (23380, 83638), (23560, 82999), (23714, 82460), (25384, 77035), (25885, 75544), (26980, 72478), (30814, 63460), (31730, 61628), (32984, 59285), (36239, 53960), (37772, 51770), (41230, 47428), (41416, 47215), (41819, 46760), (44020, 44422)]