160931420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:295

約数の個数: 96

約数和(自身を含む): 377684160

約数和(自身を除く): 216752740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 73, 122, 130, 139, 146, 244, 260, 278, 292, 305, 365, 556, 610, 695, 730, 793, 949, 1220, 1390, 1460, 1586, 1807, 1898, 2780, 3172, 3614, 3796, 3965, 4453, 4745, 7228, 7930, 8479, 8906, 9035, 9490, 10147, 15860, 16958, 17812, 18070, 18980, 20294, 22265, 33916, 36140, 40588, 42395, 44530, 50735, 57889, 84790, 89060, 101470, 110227, 115778, 131911, 169580, 202940, 220454, 231556, 263822, 289445, 440908, 527644, 551135, 578890, 618967, 659555, 1102270, 1157780, 1237934, 1319110, 2204540, 2475868, 2638220, 3094835, 6189670, 8046571, 12379340, 16093142, 32186284, 40232855, 80465710, 160931420]

約数ペア:

[(1, 160931420), (2, 80465710), (4, 40232855), (5, 32186284), (10, 16093142), (13, 12379340), (20, 8046571), (26, 6189670), (52, 3094835), (61, 2638220), (65, 2475868), (73, 2204540), (122, 1319110), (130, 1237934), (139, 1157780), (146, 1102270), (244, 659555), (260, 618967), (278, 578890), (292, 551135), (305, 527644), (365, 440908), (556, 289445), (610, 263822), (695, 231556), (730, 220454), (793, 202940), (949, 169580), (1220, 131911), (1390, 115778), (1460, 110227), (1586, 101470), (1807, 89060), (1898, 84790), (2780, 57889), (3172, 50735), (3614, 44530), (3796, 42395), (3965, 40588), (4453, 36140), (4745, 33916), (7228, 22265), (7930, 20294), (8479, 18980), (8906, 18070), (9035, 17812), (9490, 16958), (10147, 15860)]