15678470920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{35507}}^1$

素因数の和:35627

約数の個数: 128

約数和(自身を含む): 42950476800

約数和(自身を除く): 27272005880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 83, 95, 133, 140, 152, 166, 190, 266, 280, 332, 380, 415, 532, 581, 664, 665, 760, 830, 1064, 1162, 1330, 1577, 1660, 2324, 2660, 2905, 3154, 3320, 4648, 5320, 5810, 6308, 7885, 11039, 11620, 12616, 15770, 22078, 23240, 31540, 35507, 44156, 55195, 63080, 71014, 88312, 110390, 142028, 177535, 220780, 248549, 284056, 355070, 441560, 497098, 674633, 710140, 994196, 1242745, 1349266, 1420280, 1988392, 2485490, 2698532, 2947081, 3373165, 4722431, 4970980, 5397064, 5894162, 6746330, 9444862, 9941960, 11788324, 13492660, 14735405, 18889724, 20629567, 23576648, 23612155, 26985320, 29470810, 37779448, 41259134, 47224310, 55994539, 58941620, 82518268, 94448620, 103147835, 111989078, 117883240, 165036536, 188897240, 206295670, 223978156, 279972695, 391961773, 412591340, 447956312, 559945390, 783923546, 825182680, 1119890780, 1567847092, 1959808865, 2239781560, 3135694184, 3919617730, 7839235460, 15678470920]

約数ペア:

[(1, 15678470920), (2, 7839235460), (4, 3919617730), (5, 3135694184), (7, 2239781560), (8, 1959808865), (10, 1567847092), (14, 1119890780), (19, 825182680), (20, 783923546), (28, 559945390), (35, 447956312), (38, 412591340), (40, 391961773), (56, 279972695), (70, 223978156), (76, 206295670), (83, 188897240), (95, 165036536), (133, 117883240), (140, 111989078), (152, 103147835), (166, 94448620), (190, 82518268), (266, 58941620), (280, 55994539), (332, 47224310), (380, 41259134), (415, 37779448), (532, 29470810), (581, 26985320), (664, 23612155), (665, 23576648), (760, 20629567), (830, 18889724), (1064, 14735405), (1162, 13492660), (1330, 11788324), (1577, 9941960), (1660, 9444862), (2324, 6746330), (2660, 5894162), (2905, 5397064), (3154, 4970980), (3320, 4722431), (4648, 3373165), (5320, 2947081), (5810, 2698532), (6308, 2485490), (7885, 1988392), (11039, 1420280), (11620, 1349266), (12616, 1242745), (15770, 994196), (22078, 710140), (23240, 674633), (31540, 497098), (35507, 441560), (44156, 355070), (55195, 284056), (63080, 248549), (71014, 220780), (88312, 177535), (110390, 142028)]