31413840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^2$

素因数の和:201

約数の個数: 120

約数和(自身を含む): 103758240

約数和(自身を除く): 72344400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 83, 95, 114, 120, 152, 166, 190, 228, 240, 249, 285, 304, 332, 380, 415, 456, 498, 570, 664, 760, 830, 912, 996, 1140, 1245, 1328, 1520, 1577, 1660, 1992, 2280, 2490, 3154, 3320, 3984, 4560, 4731, 4980, 6308, 6640, 6889, 7885, 9462, 9960, 12616, 13778, 15770, 18924, 19920, 20667, 23655, 25232, 27556, 31540, 34445, 37848, 41334, 47310, 55112, 63080, 68890, 75696, 82668, 94620, 103335, 110224, 126160, 130891, 137780, 165336, 189240, 206670, 261782, 275560, 330672, 378480, 392673, 413340, 523564, 551120, 654455, 785346, 826680, 1047128, 1308910, 1570692, 1653360, 1963365, 2094256, 2617820, 3141384, 3926730, 5235640, 6282768, 7853460, 10471280, 15706920, 31413840]

約数ペア:

[(1, 31413840), (2, 15706920), (3, 10471280), (4, 7853460), (5, 6282768), (6, 5235640), (8, 3926730), (10, 3141384), (12, 2617820), (15, 2094256), (16, 1963365), (19, 1653360), (20, 1570692), (24, 1308910), (30, 1047128), (38, 826680), (40, 785346), (48, 654455), (57, 551120), (60, 523564), (76, 413340), (80, 392673), (83, 378480), (95, 330672), (114, 275560), (120, 261782), (152, 206670), (166, 189240), (190, 165336), (228, 137780), (240, 130891), (249, 126160), (285, 110224), (304, 103335), (332, 94620), (380, 82668), (415, 75696), (456, 68890), (498, 63080), (570, 55112), (664, 47310), (760, 41334), (830, 37848), (912, 34445), (996, 31540), (1140, 27556), (1245, 25232), (1328, 23655), (1520, 20667), (1577, 19920), (1660, 18924), (1992, 15770), (2280, 13778), (2490, 12616), (3154, 9960), (3320, 9462), (3984, 7885), (4560, 6889), (4731, 6640), (4980, 6308)]