171627160

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{2269}}^1$

素因数の和:2372

約数の個数: 64

約数和(自身を含む): 405331200

約数和(自身を除く): 233704040

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 61, 62, 122, 124, 155, 244, 248, 305, 310, 488, 610, 620, 1220, 1240, 1891, 2269, 2440, 3782, 4538, 7564, 9076, 9455, 11345, 15128, 18152, 18910, 22690, 37820, 45380, 70339, 75640, 90760, 138409, 140678, 276818, 281356, 351695, 553636, 562712, 692045, 703390, 1107272, 1384090, 1406780, 2768180, 2813560, 4290679, 5536360, 8581358, 17162716, 21453395, 34325432, 42906790, 85813580, 171627160]

約数ペア:

[(1, 171627160), (2, 85813580), (4, 42906790), (5, 34325432), (8, 21453395), (10, 17162716), (20, 8581358), (31, 5536360), (40, 4290679), (61, 2813560), (62, 2768180), (122, 1406780), (124, 1384090), (155, 1107272), (244, 703390), (248, 692045), (305, 562712), (310, 553636), (488, 351695), (610, 281356), (620, 276818), (1220, 140678), (1240, 138409), (1891, 90760), (2269, 75640), (2440, 70339), (3782, 45380), (4538, 37820), (7564, 22690), (9076, 18910), (9455, 18152), (11345, 15128)]