401962680

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{22787}}^1$

素因数の和:22818

約数の個数: 144

約数和(自身を含む): 1519731720

約数和(自身を除く): 1117769040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 504, 588, 630, 735, 840, 882, 980, 1176, 1260, 1470, 1764, 1960, 2205, 2520, 2940, 3528, 4410, 5880, 8820, 17640, 22787, 45574, 68361, 91148, 113935, 136722, 159509, 182296, 205083, 227870, 273444, 319018, 341805, 410166, 455740, 478527, 546888, 638036, 683610, 797545, 820332, 911480, 957054, 1025415, 1116563, 1276072, 1367220, 1435581, 1595090, 1640664, 1914108, 2050830, 2233126, 2392635, 2734440, 2871162, 3190180, 3349689, 3828216, 4101660, 4466252, 4785270, 5582815, 5742324, 6380360, 6699378, 7177905, 8203320, 8932504, 9570540, 10049067, 11165630, 11484648, 13398756, 14355810, 16748445, 19141080, 20098134, 22331260, 26797512, 28711620, 33496890, 40196268, 44662520, 50245335, 57423240, 66993780, 80392536, 100490670, 133987560, 200981340, 401962680]

約数ペア:

[(1, 401962680), (2, 200981340), (3, 133987560), (4, 100490670), (5, 80392536), (6, 66993780), (7, 57423240), (8, 50245335), (9, 44662520), (10, 40196268), (12, 33496890), (14, 28711620), (15, 26797512), (18, 22331260), (20, 20098134), (21, 19141080), (24, 16748445), (28, 14355810), (30, 13398756), (35, 11484648), (36, 11165630), (40, 10049067), (42, 9570540), (45, 8932504), (49, 8203320), (56, 7177905), (60, 6699378), (63, 6380360), (70, 5742324), (72, 5582815), (84, 4785270), (90, 4466252), (98, 4101660), (105, 3828216), (120, 3349689), (126, 3190180), (140, 2871162), (147, 2734440), (168, 2392635), (180, 2233126), (196, 2050830), (210, 1914108), (245, 1640664), (252, 1595090), (280, 1435581), (294, 1367220), (315, 1276072), (360, 1116563), (392, 1025415), (420, 957054), (441, 911480), (490, 820332), (504, 797545), (588, 683610), (630, 638036), (735, 546888), (840, 478527), (882, 455740), (980, 410166), (1176, 341805), (1260, 319018), (1470, 273444), (1764, 227870), (1960, 205083), (2205, 182296), (2520, 159509), (2940, 136722), (3528, 113935), (4410, 91148), (5880, 68361), (8820, 45574), (17640, 22787)]