161836920

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{21407}}^1$

素因数の和:21434

約数の個数: 128

約数和(自身を含む): 616550400

約数和(自身を除く): 454713480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 7560, 21407, 42814, 64221, 85628, 107035, 128442, 149849, 171256, 192663, 214070, 256884, 299698, 321105, 385326, 428140, 449547, 513768, 577989, 599396, 642210, 749245, 770652, 856280, 899094, 963315, 1155978, 1198792, 1284420, 1348641, 1498490, 1541304, 1798188, 1926630, 2247735, 2311956, 2568840, 2697282, 2889945, 2996980, 3596376, 3853260, 4045923, 4495470, 4623912, 5394564, 5779890, 5993960, 6743205, 7706520, 8091846, 8990940, 10789128, 11559780, 13486410, 16183692, 17981880, 20229615, 23119560, 26972820, 32367384, 40459230, 53945640, 80918460, 161836920]

約数ペア:

[(1, 161836920), (2, 80918460), (3, 53945640), (4, 40459230), (5, 32367384), (6, 26972820), (7, 23119560), (8, 20229615), (9, 17981880), (10, 16183692), (12, 13486410), (14, 11559780), (15, 10789128), (18, 8990940), (20, 8091846), (21, 7706520), (24, 6743205), (27, 5993960), (28, 5779890), (30, 5394564), (35, 4623912), (36, 4495470), (40, 4045923), (42, 3853260), (45, 3596376), (54, 2996980), (56, 2889945), (60, 2697282), (63, 2568840), (70, 2311956), (72, 2247735), (84, 1926630), (90, 1798188), (105, 1541304), (108, 1498490), (120, 1348641), (126, 1284420), (135, 1198792), (140, 1155978), (168, 963315), (180, 899094), (189, 856280), (210, 770652), (216, 749245), (252, 642210), (270, 599396), (280, 577989), (315, 513768), (360, 449547), (378, 428140), (420, 385326), (504, 321105), (540, 299698), (630, 256884), (756, 214070), (840, 192663), (945, 171256), (1080, 149849), (1260, 128442), (1512, 107035), (1890, 85628), (2520, 64221), (3780, 42814), (7560, 21407)]