51832920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:245

約数の個数: 128

約数和(自身を含む): 161864640

約数和(自身を除く): 110031720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 73, 97, 120, 122, 146, 183, 194, 219, 244, 291, 292, 305, 365, 366, 388, 438, 485, 488, 582, 584, 610, 730, 732, 776, 876, 915, 970, 1095, 1164, 1220, 1455, 1460, 1464, 1752, 1830, 1940, 2190, 2328, 2440, 2910, 2920, 3660, 3880, 4380, 4453, 5820, 5917, 7081, 7320, 8760, 8906, 11640, 11834, 13359, 14162, 17751, 17812, 21243, 22265, 23668, 26718, 28324, 29585, 35405, 35502, 35624, 42486, 44530, 47336, 53436, 56648, 59170, 66795, 70810, 71004, 84972, 88755, 89060, 106215, 106872, 118340, 133590, 141620, 142008, 169944, 177510, 178120, 212430, 236680, 267180, 283240, 355020, 424860, 431941, 534360, 710040, 849720, 863882, 1295823, 1727764, 2159705, 2591646, 3455528, 4319410, 5183292, 6479115, 8638820, 10366584, 12958230, 17277640, 25916460, 51832920]

約数ペア:

[(1, 51832920), (2, 25916460), (3, 17277640), (4, 12958230), (5, 10366584), (6, 8638820), (8, 6479115), (10, 5183292), (12, 4319410), (15, 3455528), (20, 2591646), (24, 2159705), (30, 1727764), (40, 1295823), (60, 863882), (61, 849720), (73, 710040), (97, 534360), (120, 431941), (122, 424860), (146, 355020), (183, 283240), (194, 267180), (219, 236680), (244, 212430), (291, 178120), (292, 177510), (305, 169944), (365, 142008), (366, 141620), (388, 133590), (438, 118340), (485, 106872), (488, 106215), (582, 89060), (584, 88755), (610, 84972), (730, 71004), (732, 70810), (776, 66795), (876, 59170), (915, 56648), (970, 53436), (1095, 47336), (1164, 44530), (1220, 42486), (1455, 35624), (1460, 35502), (1464, 35405), (1752, 29585), (1830, 28324), (1940, 26718), (2190, 23668), (2328, 22265), (2440, 21243), (2910, 17812), (2920, 17751), (3660, 14162), (3880, 13359), (4380, 11834), (4453, 11640), (5820, 8906), (5917, 8760), (7081, 7320)]