128908960

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{571}}^1$

素因数の和:686

約数の個数: 96

約数和(自身を含む): 326918592

約数和(自身を除く): 198009632

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 83, 85, 136, 160, 166, 170, 272, 332, 340, 415, 544, 571, 664, 680, 830, 1142, 1328, 1360, 1411, 1660, 2284, 2656, 2720, 2822, 2855, 3320, 4568, 5644, 5710, 6640, 7055, 9136, 9707, 11288, 11420, 13280, 14110, 18272, 19414, 22576, 22840, 28220, 38828, 45152, 45680, 47393, 48535, 56440, 77656, 91360, 94786, 97070, 112880, 155312, 189572, 194140, 225760, 236965, 310624, 379144, 388280, 473930, 758288, 776560, 805681, 947860, 1516576, 1553120, 1611362, 1895720, 3222724, 3791440, 4028405, 6445448, 7582880, 8056810, 12890896, 16113620, 25781792, 32227240, 64454480, 128908960]

約数ペア:

[(1, 128908960), (2, 64454480), (4, 32227240), (5, 25781792), (8, 16113620), (10, 12890896), (16, 8056810), (17, 7582880), (20, 6445448), (32, 4028405), (34, 3791440), (40, 3222724), (68, 1895720), (80, 1611362), (83, 1553120), (85, 1516576), (136, 947860), (160, 805681), (166, 776560), (170, 758288), (272, 473930), (332, 388280), (340, 379144), (415, 310624), (544, 236965), (571, 225760), (664, 194140), (680, 189572), (830, 155312), (1142, 112880), (1328, 97070), (1360, 94786), (1411, 91360), (1660, 77656), (2284, 56440), (2656, 48535), (2720, 47393), (2822, 45680), (2855, 45152), (3320, 38828), (4568, 28220), (5644, 22840), (5710, 22576), (6640, 19414), (7055, 18272), (9136, 14110), (9707, 13280), (11288, 11420)]