31362120

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{409}}^1$

素因数の和:500

約数の個数: 128

約数和(自身を含む): 106272000

約数和(自身を除く): 74909880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 71, 72, 90, 108, 120, 135, 142, 180, 213, 216, 270, 284, 355, 360, 409, 426, 540, 568, 639, 710, 818, 852, 1065, 1080, 1227, 1278, 1420, 1636, 1704, 1917, 2045, 2130, 2454, 2556, 2840, 3195, 3272, 3681, 3834, 4090, 4260, 4908, 5112, 6135, 6390, 7362, 7668, 8180, 8520, 9585, 9816, 11043, 12270, 12780, 14724, 15336, 16360, 18405, 19170, 22086, 24540, 25560, 29039, 29448, 36810, 38340, 44172, 49080, 55215, 58078, 73620, 76680, 87117, 88344, 110430, 116156, 145195, 147240, 174234, 220860, 232312, 261351, 290390, 348468, 435585, 441720, 522702, 580780, 696936, 784053, 871170, 1045404, 1161560, 1306755, 1568106, 1742340, 2090808, 2613510, 3136212, 3484680, 3920265, 5227020, 6272424, 7840530, 10454040, 15681060, 31362120]

約数ペア:

[(1, 31362120), (2, 15681060), (3, 10454040), (4, 7840530), (5, 6272424), (6, 5227020), (8, 3920265), (9, 3484680), (10, 3136212), (12, 2613510), (15, 2090808), (18, 1742340), (20, 1568106), (24, 1306755), (27, 1161560), (30, 1045404), (36, 871170), (40, 784053), (45, 696936), (54, 580780), (60, 522702), (71, 441720), (72, 435585), (90, 348468), (108, 290390), (120, 261351), (135, 232312), (142, 220860), (180, 174234), (213, 147240), (216, 145195), (270, 116156), (284, 110430), (355, 88344), (360, 87117), (409, 76680), (426, 73620), (540, 58078), (568, 55215), (639, 49080), (710, 44172), (818, 38340), (852, 36810), (1065, 29448), (1080, 29039), (1227, 25560), (1278, 24540), (1420, 22086), (1636, 19170), (1704, 18405), (1917, 16360), (2045, 15336), (2130, 14724), (2454, 12780), (2556, 12270), (2840, 11043), (3195, 9816), (3272, 9585), (3681, 8520), (3834, 8180), (4090, 7668), (4260, 7362), (4908, 6390), (5112, 6135)]