31049340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{179}}^1$

素因数の和:264

約数の個数: 144

約数和(自身を含む): 103420800

約数和(自身を除く): 72371460

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 59, 60, 70, 84, 98, 105, 118, 140, 147, 177, 179, 196, 210, 236, 245, 294, 295, 354, 358, 413, 420, 490, 537, 588, 590, 708, 716, 735, 826, 885, 895, 980, 1074, 1180, 1239, 1253, 1470, 1652, 1770, 1790, 2065, 2148, 2478, 2506, 2685, 2891, 2940, 3540, 3580, 3759, 4130, 4956, 5012, 5370, 5782, 6195, 6265, 7518, 8260, 8673, 8771, 10561, 10740, 11564, 12390, 12530, 14455, 15036, 17346, 17542, 18795, 21122, 24780, 25060, 26313, 28910, 31683, 34692, 35084, 37590, 42244, 43365, 43855, 52626, 52805, 57820, 63366, 73927, 75180, 86730, 87710, 105252, 105610, 126732, 131565, 147854, 158415, 173460, 175420, 211220, 221781, 263130, 295708, 316830, 369635, 443562, 517489, 526260, 633660, 739270, 887124, 1034978, 1108905, 1478540, 1552467, 2069956, 2217810, 2587445, 3104934, 4435620, 5174890, 6209868, 7762335, 10349780, 15524670, 31049340]

約数ペア:

[(1, 31049340), (2, 15524670), (3, 10349780), (4, 7762335), (5, 6209868), (6, 5174890), (7, 4435620), (10, 3104934), (12, 2587445), (14, 2217810), (15, 2069956), (20, 1552467), (21, 1478540), (28, 1108905), (30, 1034978), (35, 887124), (42, 739270), (49, 633660), (59, 526260), (60, 517489), (70, 443562), (84, 369635), (98, 316830), (105, 295708), (118, 263130), (140, 221781), (147, 211220), (177, 175420), (179, 173460), (196, 158415), (210, 147854), (236, 131565), (245, 126732), (294, 105610), (295, 105252), (354, 87710), (358, 86730), (413, 75180), (420, 73927), (490, 63366), (537, 57820), (588, 52805), (590, 52626), (708, 43855), (716, 43365), (735, 42244), (826, 37590), (885, 35084), (895, 34692), (980, 31683), (1074, 28910), (1180, 26313), (1239, 25060), (1253, 24780), (1470, 21122), (1652, 18795), (1770, 17542), (1790, 17346), (2065, 15036), (2148, 14455), (2478, 12530), (2506, 12390), (2685, 11564), (2891, 10740), (2940, 10561), (3540, 8771), (3580, 8673), (3759, 8260), (4130, 7518), (4956, 6265), (5012, 6195), (5370, 5782)]