231641920

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1229}}^1$

素因数の和:1296

約数の個数: 112

約数和(自身を含む): 599846400

約数和(自身を除く): 368204480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 64, 76, 80, 95, 124, 152, 155, 160, 190, 248, 304, 310, 320, 380, 496, 589, 608, 620, 760, 992, 1178, 1216, 1229, 1240, 1520, 1984, 2356, 2458, 2480, 2945, 3040, 4712, 4916, 4960, 5890, 6080, 6145, 9424, 9832, 9920, 11780, 12290, 18848, 19664, 23351, 23560, 24580, 37696, 38099, 39328, 46702, 47120, 49160, 76198, 78656, 93404, 94240, 98320, 116755, 152396, 186808, 188480, 190495, 196640, 233510, 304792, 373616, 380990, 393280, 467020, 609584, 723881, 747232, 761980, 934040, 1219168, 1447762, 1494464, 1523960, 1868080, 2438336, 2895524, 3047920, 3619405, 3736160, 5791048, 6095840, 7238810, 7472320, 11582096, 12191680, 14477620, 23164192, 28955240, 46328384, 57910480, 115820960, 231641920]

約数ペア:

[(1, 231641920), (2, 115820960), (4, 57910480), (5, 46328384), (8, 28955240), (10, 23164192), (16, 14477620), (19, 12191680), (20, 11582096), (31, 7472320), (32, 7238810), (38, 6095840), (40, 5791048), (62, 3736160), (64, 3619405), (76, 3047920), (80, 2895524), (95, 2438336), (124, 1868080), (152, 1523960), (155, 1494464), (160, 1447762), (190, 1219168), (248, 934040), (304, 761980), (310, 747232), (320, 723881), (380, 609584), (496, 467020), (589, 393280), (608, 380990), (620, 373616), (760, 304792), (992, 233510), (1178, 196640), (1216, 190495), (1229, 188480), (1240, 186808), (1520, 152396), (1984, 116755), (2356, 98320), (2458, 94240), (2480, 93404), (2945, 78656), (3040, 76198), (4712, 49160), (4916, 47120), (4960, 46702), (5890, 39328), (6080, 38099), (6145, 37696), (9424, 24580), (9832, 23560), (9920, 23351), (11780, 19664), (12290, 18848)]