31901160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:235

約数の個数: 128

約数和(自身を含む): 101088000

約数和(自身を除く): 69186840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 87, 89, 103, 116, 120, 145, 174, 178, 206, 232, 267, 290, 309, 348, 356, 412, 435, 445, 515, 534, 580, 618, 696, 712, 824, 870, 890, 1030, 1068, 1160, 1236, 1335, 1545, 1740, 1780, 2060, 2136, 2472, 2581, 2670, 2987, 3090, 3480, 3560, 4120, 5162, 5340, 5974, 6180, 7743, 8961, 9167, 10324, 10680, 11948, 12360, 12905, 14935, 15486, 17922, 18334, 20648, 23896, 25810, 27501, 29870, 30972, 35844, 36668, 38715, 44805, 45835, 51620, 55002, 59740, 61944, 71688, 73336, 77430, 89610, 91670, 103240, 110004, 119480, 137505, 154860, 179220, 183340, 220008, 265843, 275010, 309720, 358440, 366680, 531686, 550020, 797529, 1063372, 1100040, 1329215, 1595058, 2126744, 2658430, 3190116, 3987645, 5316860, 6380232, 7975290, 10633720, 15950580, 31901160]

約数ペア:

[(1, 31901160), (2, 15950580), (3, 10633720), (4, 7975290), (5, 6380232), (6, 5316860), (8, 3987645), (10, 3190116), (12, 2658430), (15, 2126744), (20, 1595058), (24, 1329215), (29, 1100040), (30, 1063372), (40, 797529), (58, 550020), (60, 531686), (87, 366680), (89, 358440), (103, 309720), (116, 275010), (120, 265843), (145, 220008), (174, 183340), (178, 179220), (206, 154860), (232, 137505), (267, 119480), (290, 110004), (309, 103240), (348, 91670), (356, 89610), (412, 77430), (435, 73336), (445, 71688), (515, 61944), (534, 59740), (580, 55002), (618, 51620), (696, 45835), (712, 44805), (824, 38715), (870, 36668), (890, 35844), (1030, 30972), (1068, 29870), (1160, 27501), (1236, 25810), (1335, 23896), (1545, 20648), (1740, 18334), (1780, 17922), (2060, 15486), (2136, 14935), (2472, 12905), (2581, 12360), (2670, 11948), (2987, 10680), (3090, 10324), (3480, 9167), (3560, 8961), (4120, 7743), (5162, 6180), (5340, 5974)]