20859811320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{379}}^1$

素因数の和:630

約数の個数: 256

約数和(自身を含む): 65274393600

約数和(自身を除く): 44414582280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 73, 103, 120, 122, 146, 183, 206, 219, 244, 292, 305, 309, 365, 366, 379, 412, 438, 488, 515, 584, 610, 618, 730, 732, 758, 824, 876, 915, 1030, 1095, 1137, 1220, 1236, 1460, 1464, 1516, 1545, 1752, 1830, 1895, 2060, 2190, 2274, 2440, 2472, 2920, 3032, 3090, 3660, 3790, 4120, 4380, 4453, 4548, 5685, 6180, 6283, 7320, 7519, 7580, 8760, 8906, 9096, 11370, 12360, 12566, 13359, 15038, 15160, 17812, 18849, 22265, 22557, 22740, 23119, 25132, 26718, 27667, 30076, 31415, 35624, 37595, 37698, 39037, 44530, 45114, 45480, 46238, 50264, 53436, 55334, 60152, 62830, 66795, 69357, 75190, 75396, 78074, 83001, 89060, 90228, 92476, 94245, 106872, 110668, 112785, 115595, 117111, 125660, 133590, 138335, 138714, 150380, 150792, 156148, 166002, 178120, 180456, 184952, 188490, 195185, 221336, 225570, 231190, 234222, 251320, 267180, 276670, 277428, 300760, 312296, 332004, 346785, 376980, 390370, 415005, 451140, 458659, 462380, 468444, 534360, 553340, 554856, 585555, 664008, 693570, 753960, 780740, 830010, 902280, 917318, 924760, 936888, 1106680, 1171110, 1375977, 1387140, 1561480, 1660020, 1687687, 1834636, 2293295, 2342220, 2381257, 2751954, 2774280, 2849701, 3320040, 3375374, 3669272, 4586590, 4684440, 4762514, 5063061, 5503908, 5699402, 6750748, 6879885, 7143771, 8438435, 8549103, 9173180, 9525028, 10126122, 11007816, 11398804, 11906285, 13501496, 13759770, 14248505, 14287542, 16876870, 17098206, 18346360, 19050056, 20252244, 22797608, 23812570, 25315305, 27519540, 28497010, 28575084, 33753740, 34196412, 35718855, 40504488, 42745515, 47625140, 50630610, 55039080, 56994020, 57150168, 67507480, 68392824, 71437710, 85491030, 95250280, 101261220, 113988040, 142875420, 170982060, 173831761, 202522440, 285750840, 341964120, 347663522, 521495283, 695327044, 869158805, 1042990566, 1390654088, 1738317610, 2085981132, 2607476415, 3476635220, 4171962264, 5214952830, 6953270440, 10429905660, 20859811320]

約数ペア:

[(1, 20859811320), (2, 10429905660), (3, 6953270440), (4, 5214952830), (5, 4171962264), (6, 3476635220), (8, 2607476415), (10, 2085981132), (12, 1738317610), (15, 1390654088), (20, 1042990566), (24, 869158805), (30, 695327044), (40, 521495283), (60, 347663522), (61, 341964120), (73, 285750840), (103, 202522440), (120, 173831761), (122, 170982060), (146, 142875420), (183, 113988040), (206, 101261220), (219, 95250280), (244, 85491030), (292, 71437710), (305, 68392824), (309, 67507480), (365, 57150168), (366, 56994020), (379, 55039080), (412, 50630610), (438, 47625140), (488, 42745515), (515, 40504488), (584, 35718855), (610, 34196412), (618, 33753740), (730, 28575084), (732, 28497010), (758, 27519540), (824, 25315305), (876, 23812570), (915, 22797608), (1030, 20252244), (1095, 19050056), (1137, 18346360), (1220, 17098206), (1236, 16876870), (1460, 14287542), (1464, 14248505), (1516, 13759770), (1545, 13501496), (1752, 11906285), (1830, 11398804), (1895, 11007816), (2060, 10126122), (2190, 9525028), (2274, 9173180), (2440, 8549103), (2472, 8438435), (2920, 7143771), (3032, 6879885), (3090, 6750748), (3660, 5699402), (3790, 5503908), (4120, 5063061), (4380, 4762514), (4453, 4684440), (4548, 4586590), (5685, 3669272), (6180, 3375374), (6283, 3320040), (7320, 2849701), (7519, 2774280), (7580, 2751954), (8760, 2381257), (8906, 2342220), (9096, 2293295), (11370, 1834636), (12360, 1687687), (12566, 1660020), (13359, 1561480), (15038, 1387140), (15160, 1375977), (17812, 1171110), (18849, 1106680), (22265, 936888), (22557, 924760), (22740, 917318), (23119, 902280), (25132, 830010), (26718, 780740), (27667, 753960), (30076, 693570), (31415, 664008), (35624, 585555), (37595, 554856), (37698, 553340), (39037, 534360), (44530, 468444), (45114, 462380), (45480, 458659), (46238, 451140), (50264, 415005), (53436, 390370), (55334, 376980), (60152, 346785), (62830, 332004), (66795, 312296), (69357, 300760), (75190, 277428), (75396, 276670), (78074, 267180), (83001, 251320), (89060, 234222), (90228, 231190), (92476, 225570), (94245, 221336), (106872, 195185), (110668, 188490), (112785, 184952), (115595, 180456), (117111, 178120), (125660, 166002), (133590, 156148), (138335, 150792), (138714, 150380)]