1205360

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:106

約数の個数: 80

約数和(自身を含む): 3228960

約数和(自身を除く): 2023600

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 61, 65, 76, 80, 95, 104, 122, 130, 152, 190, 208, 244, 247, 260, 304, 305, 380, 488, 494, 520, 610, 760, 793, 976, 988, 1040, 1159, 1220, 1235, 1520, 1586, 1976, 2318, 2440, 2470, 3172, 3952, 3965, 4636, 4880, 4940, 5795, 6344, 7930, 9272, 9880, 11590, 12688, 15067, 15860, 18544, 19760, 23180, 30134, 31720, 46360, 60268, 63440, 75335, 92720, 120536, 150670, 241072, 301340, 602680, 1205360]

約数ペア:

[(1, 1205360), (2, 602680), (4, 301340), (5, 241072), (8, 150670), (10, 120536), (13, 92720), (16, 75335), (19, 63440), (20, 60268), (26, 46360), (38, 31720), (40, 30134), (52, 23180), (61, 19760), (65, 18544), (76, 15860), (80, 15067), (95, 12688), (104, 11590), (122, 9880), (130, 9272), (152, 7930), (190, 6344), (208, 5795), (244, 4940), (247, 4880), (260, 4636), (304, 3965), (305, 3952), (380, 3172), (488, 2470), (494, 2440), (520, 2318), (610, 1976), (760, 1586), (793, 1520), (976, 1235), (988, 1220), (1040, 1159)]