231411720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{173}}^1$

素因数の和:415

約数の個数: 128

約数和(自身を含む): 712592640

約数和(自身を除く): 481180920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 157, 173, 213, 284, 314, 346, 355, 426, 471, 519, 568, 628, 692, 710, 785, 852, 865, 942, 1038, 1065, 1256, 1384, 1420, 1570, 1704, 1730, 1884, 2076, 2130, 2355, 2595, 2840, 3140, 3460, 3768, 4152, 4260, 4710, 5190, 6280, 6920, 8520, 9420, 10380, 11147, 12283, 18840, 20760, 22294, 24566, 27161, 33441, 36849, 44588, 49132, 54322, 55735, 61415, 66882, 73698, 81483, 89176, 98264, 108644, 111470, 122830, 133764, 135805, 147396, 162966, 167205, 184245, 217288, 222940, 245660, 267528, 271610, 294792, 325932, 334410, 368490, 407415, 445880, 491320, 543220, 651864, 668820, 736980, 814830, 1086440, 1337640, 1473960, 1629660, 1928431, 3259320, 3856862, 5785293, 7713724, 9642155, 11570586, 15427448, 19284310, 23141172, 28926465, 38568620, 46282344, 57852930, 77137240, 115705860, 231411720]

約数ペア:

[(1, 231411720), (2, 115705860), (3, 77137240), (4, 57852930), (5, 46282344), (6, 38568620), (8, 28926465), (10, 23141172), (12, 19284310), (15, 15427448), (20, 11570586), (24, 9642155), (30, 7713724), (40, 5785293), (60, 3856862), (71, 3259320), (120, 1928431), (142, 1629660), (157, 1473960), (173, 1337640), (213, 1086440), (284, 814830), (314, 736980), (346, 668820), (355, 651864), (426, 543220), (471, 491320), (519, 445880), (568, 407415), (628, 368490), (692, 334410), (710, 325932), (785, 294792), (852, 271610), (865, 267528), (942, 245660), (1038, 222940), (1065, 217288), (1256, 184245), (1384, 167205), (1420, 162966), (1570, 147396), (1704, 135805), (1730, 133764), (1884, 122830), (2076, 111470), (2130, 108644), (2355, 98264), (2595, 89176), (2840, 81483), (3140, 73698), (3460, 66882), (3768, 61415), (4152, 55735), (4260, 54322), (4710, 49132), (5190, 44588), (6280, 36849), (6920, 33441), (8520, 27161), (9420, 24566), (10380, 22294), (11147, 20760), (12283, 18840)]