31493640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{727}}^1$

素因数の和:779

約数の個数: 96

約数和(自身を含む): 99852480

約数和(自身を除く): 68358840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 361, 380, 456, 570, 722, 727, 760, 1083, 1140, 1444, 1454, 1805, 2166, 2181, 2280, 2888, 2908, 3610, 3635, 4332, 4362, 5415, 5816, 7220, 7270, 8664, 8724, 10830, 10905, 13813, 14440, 14540, 17448, 21660, 21810, 27626, 29080, 41439, 43320, 43620, 55252, 69065, 82878, 87240, 110504, 138130, 165756, 207195, 262447, 276260, 331512, 414390, 524894, 552520, 787341, 828780, 1049788, 1312235, 1574682, 1657560, 2099576, 2624470, 3149364, 3936705, 5248940, 6298728, 7873410, 10497880, 15746820, 31493640]

約数ペア:

[(1, 31493640), (2, 15746820), (3, 10497880), (4, 7873410), (5, 6298728), (6, 5248940), (8, 3936705), (10, 3149364), (12, 2624470), (15, 2099576), (19, 1657560), (20, 1574682), (24, 1312235), (30, 1049788), (38, 828780), (40, 787341), (57, 552520), (60, 524894), (76, 414390), (95, 331512), (114, 276260), (120, 262447), (152, 207195), (190, 165756), (228, 138130), (285, 110504), (361, 87240), (380, 82878), (456, 69065), (570, 55252), (722, 43620), (727, 43320), (760, 41439), (1083, 29080), (1140, 27626), (1444, 21810), (1454, 21660), (1805, 17448), (2166, 14540), (2181, 14440), (2280, 13813), (2888, 10905), (2908, 10830), (3610, 8724), (3635, 8664), (4332, 7270), (4362, 7220), (5415, 5816)]