161063600

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^2\times {\mathrm{419}}^1$

素因数の和:499

約数の個数: 90

約数和(自身を含む): 400794660

約数和(自身を除く): 239731060

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 155, 200, 248, 310, 400, 419, 496, 620, 775, 838, 961, 1240, 1550, 1676, 1922, 2095, 2480, 3100, 3352, 3844, 4190, 4805, 6200, 6704, 7688, 8380, 9610, 10475, 12400, 12989, 15376, 16760, 19220, 20950, 24025, 25978, 33520, 38440, 41900, 48050, 51956, 64945, 76880, 83800, 96100, 103912, 129890, 167600, 192200, 207824, 259780, 324725, 384400, 402659, 519560, 649450, 805318, 1039120, 1298900, 1610636, 2013295, 2597800, 3221272, 4026590, 5195600, 6442544, 8053180, 10066475, 16106360, 20132950, 32212720, 40265900, 80531800, 161063600]

約数ペア:

[(1, 161063600), (2, 80531800), (4, 40265900), (5, 32212720), (8, 20132950), (10, 16106360), (16, 10066475), (20, 8053180), (25, 6442544), (31, 5195600), (40, 4026590), (50, 3221272), (62, 2597800), (80, 2013295), (100, 1610636), (124, 1298900), (155, 1039120), (200, 805318), (248, 649450), (310, 519560), (400, 402659), (419, 384400), (496, 324725), (620, 259780), (775, 207824), (838, 192200), (961, 167600), (1240, 129890), (1550, 103912), (1676, 96100), (1922, 83800), (2095, 76880), (2480, 64945), (3100, 51956), (3352, 48050), (3844, 41900), (4190, 38440), (4805, 33520), (6200, 25978), (6704, 24025), (7688, 20950), (8380, 19220), (9610, 16760), (10475, 15376), (12400, 12989)]