161188400

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{167}}^1$

素因数の和:331

約数の個数: 120

約数和(自身を含む): 413306880

約数和(自身を除く): 252118480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 95, 100, 127, 152, 167, 190, 200, 254, 304, 334, 380, 400, 475, 508, 635, 668, 760, 835, 950, 1016, 1270, 1336, 1520, 1670, 1900, 2032, 2413, 2540, 2672, 3173, 3175, 3340, 3800, 4175, 4826, 5080, 6346, 6350, 6680, 7600, 8350, 9652, 10160, 12065, 12692, 12700, 13360, 15865, 16700, 19304, 21209, 24130, 25384, 25400, 31730, 33400, 38608, 42418, 48260, 50768, 50800, 60325, 63460, 66800, 79325, 84836, 96520, 106045, 120650, 126920, 158650, 169672, 193040, 212090, 241300, 253840, 317300, 339344, 402971, 424180, 482600, 530225, 634600, 805942, 848360, 965200, 1060450, 1269200, 1611884, 1696720, 2014855, 2120900, 3223768, 4029710, 4241800, 6447536, 8059420, 8483600, 10074275, 16118840, 20148550, 32237680, 40297100, 80594200, 161188400]

約数ペア:

[(1, 161188400), (2, 80594200), (4, 40297100), (5, 32237680), (8, 20148550), (10, 16118840), (16, 10074275), (19, 8483600), (20, 8059420), (25, 6447536), (38, 4241800), (40, 4029710), (50, 3223768), (76, 2120900), (80, 2014855), (95, 1696720), (100, 1611884), (127, 1269200), (152, 1060450), (167, 965200), (190, 848360), (200, 805942), (254, 634600), (304, 530225), (334, 482600), (380, 424180), (400, 402971), (475, 339344), (508, 317300), (635, 253840), (668, 241300), (760, 212090), (835, 193040), (950, 169672), (1016, 158650), (1270, 126920), (1336, 120650), (1520, 106045), (1670, 96520), (1900, 84836), (2032, 79325), (2413, 66800), (2540, 63460), (2672, 60325), (3173, 50800), (3175, 50768), (3340, 48260), (3800, 42418), (4175, 38608), (4826, 33400), (5080, 31730), (6346, 25400), (6350, 25384), (6680, 24130), (7600, 21209), (8350, 19304), (9652, 16700), (10160, 15865), (12065, 13360), (12692, 12700)]