7898280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:171

約数の個数: 128

約数和(自身を含む): 26248320

約数和(自身を除く): 18350040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 61, 65, 78, 83, 104, 120, 122, 130, 156, 166, 183, 195, 244, 249, 260, 305, 312, 332, 366, 390, 415, 488, 498, 520, 610, 664, 732, 780, 793, 830, 915, 996, 1079, 1220, 1245, 1464, 1560, 1586, 1660, 1830, 1992, 2158, 2379, 2440, 2490, 3172, 3237, 3320, 3660, 3965, 4316, 4758, 4980, 5063, 5395, 6344, 6474, 7320, 7930, 8632, 9516, 9960, 10126, 10790, 11895, 12948, 15189, 15860, 16185, 19032, 20252, 21580, 23790, 25315, 25896, 30378, 31720, 32370, 40504, 43160, 47580, 50630, 60756, 64740, 65819, 75945, 95160, 101260, 121512, 129480, 131638, 151890, 197457, 202520, 263276, 303780, 329095, 394914, 526552, 607560, 658190, 789828, 987285, 1316380, 1579656, 1974570, 2632760, 3949140, 7898280]

約数ペア:

[(1, 7898280), (2, 3949140), (3, 2632760), (4, 1974570), (5, 1579656), (6, 1316380), (8, 987285), (10, 789828), (12, 658190), (13, 607560), (15, 526552), (20, 394914), (24, 329095), (26, 303780), (30, 263276), (39, 202520), (40, 197457), (52, 151890), (60, 131638), (61, 129480), (65, 121512), (78, 101260), (83, 95160), (104, 75945), (120, 65819), (122, 64740), (130, 60756), (156, 50630), (166, 47580), (183, 43160), (195, 40504), (244, 32370), (249, 31720), (260, 30378), (305, 25896), (312, 25315), (332, 23790), (366, 21580), (390, 20252), (415, 19032), (488, 16185), (498, 15860), (520, 15189), (610, 12948), (664, 11895), (732, 10790), (780, 10126), (793, 9960), (830, 9516), (915, 8632), (996, 7930), (1079, 7320), (1220, 6474), (1245, 6344), (1464, 5395), (1560, 5063), (1586, 4980), (1660, 4758), (1830, 4316), (1992, 3965), (2158, 3660), (2379, 3320), (2440, 3237), (2490, 3172)]