1921990692560

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{378601}}^1$

素因数の和:378757

約数の個数: 160

約数和(自身を含む): 4867428464640

約数和(自身を除く): 2945437772080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 40, 46, 62, 80, 89, 92, 115, 124, 155, 178, 184, 230, 248, 310, 356, 368, 445, 460, 496, 620, 712, 713, 890, 920, 1240, 1424, 1426, 1780, 1840, 2047, 2480, 2759, 2852, 3560, 3565, 4094, 5518, 5704, 7120, 7130, 8188, 10235, 11036, 11408, 13795, 14260, 16376, 20470, 22072, 27590, 28520, 32752, 40940, 44144, 55180, 57040, 63457, 81880, 110360, 126914, 163760, 220720, 253828, 317285, 378601, 507656, 634570, 757202, 1015312, 1269140, 1514404, 1893005, 2538280, 3028808, 3786010, 5076560, 6057616, 7572020, 8707823, 11736631, 15144040, 17415646, 23473262, 30288080, 33695489, 34831292, 43539115, 46946524, 58683155, 67390978, 69662584, 87078230, 93893048, 117366310, 134781956, 139325168, 168477445, 174156460, 187786096, 234732620, 269563912, 269942513, 336954890, 348312920, 469465240, 539127824, 539885026, 673909780, 696625840, 774996247, 938930480, 1044560159, 1079770052, 1347819560, 1349712565, 1549992494, 2089120318, 2159540104, 2695639120, 2699425130, 3099984988, 3874981235, 4178240636, 4319080208, 5222800795, 5398850260, 6199969976, 7749962470, 8356481272, 10445601590, 10797700520, 12399939952, 15499924940, 16712962544, 20891203180, 21595401040, 24024883657, 30999849880, 41782406360, 48049767314, 61999699760, 83564812720, 96099534628, 120124418285, 192199069256, 240248836570, 384398138512, 480497673140, 960995346280, 1921990692560]

約数ペア:

[(1, 1921990692560), (2, 960995346280), (4, 480497673140), (5, 384398138512), (8, 240248836570), (10, 192199069256), (16, 120124418285), (20, 96099534628), (23, 83564812720), (31, 61999699760), (40, 48049767314), (46, 41782406360), (62, 30999849880), (80, 24024883657), (89, 21595401040), (92, 20891203180), (115, 16712962544), (124, 15499924940), (155, 12399939952), (178, 10797700520), (184, 10445601590), (230, 8356481272), (248, 7749962470), (310, 6199969976), (356, 5398850260), (368, 5222800795), (445, 4319080208), (460, 4178240636), (496, 3874981235), (620, 3099984988), (712, 2699425130), (713, 2695639120), (890, 2159540104), (920, 2089120318), (1240, 1549992494), (1424, 1349712565), (1426, 1347819560), (1780, 1079770052), (1840, 1044560159), (2047, 938930480), (2480, 774996247), (2759, 696625840), (2852, 673909780), (3560, 539885026), (3565, 539127824), (4094, 469465240), (5518, 348312920), (5704, 336954890), (7120, 269942513), (7130, 269563912), (8188, 234732620), (10235, 187786096), (11036, 174156460), (11408, 168477445), (13795, 139325168), (14260, 134781956), (16376, 117366310), (20470, 93893048), (22072, 87078230), (27590, 69662584), (28520, 67390978), (32752, 58683155), (40940, 46946524), (44144, 43539115), (55180, 34831292), (57040, 33695489), (63457, 30288080), (81880, 23473262), (110360, 17415646), (126914, 15144040), (163760, 11736631), (220720, 8707823), (253828, 7572020), (317285, 6057616), (378601, 5076560), (507656, 3786010), (634570, 3028808), (757202, 2538280), (1015312, 1893005), (1269140, 1514404)]