71991720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{349}}^1$

素因数の和:560

約数の個数: 128

約数和(自身を含む): 241920000

約数和(自身を除く): 169928280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 191, 216, 270, 349, 360, 382, 540, 573, 698, 764, 955, 1047, 1080, 1146, 1396, 1528, 1719, 1745, 1910, 2094, 2292, 2792, 2865, 3141, 3438, 3490, 3820, 4188, 4584, 5157, 5235, 5730, 6282, 6876, 6980, 7640, 8376, 8595, 9423, 10314, 10470, 11460, 12564, 13752, 13960, 15705, 17190, 18846, 20628, 20940, 22920, 25128, 25785, 31410, 34380, 37692, 41256, 41880, 47115, 51570, 62820, 66659, 68760, 75384, 94230, 103140, 125640, 133318, 188460, 199977, 206280, 266636, 333295, 376920, 399954, 533272, 599931, 666590, 799908, 999885, 1199862, 1333180, 1599816, 1799793, 1999770, 2399724, 2666360, 2999655, 3599586, 3999540, 4799448, 5999310, 7199172, 7999080, 8998965, 11998620, 14398344, 17997930, 23997240, 35995860, 71991720]

約数ペア:

[(1, 71991720), (2, 35995860), (3, 23997240), (4, 17997930), (5, 14398344), (6, 11998620), (8, 8998965), (9, 7999080), (10, 7199172), (12, 5999310), (15, 4799448), (18, 3999540), (20, 3599586), (24, 2999655), (27, 2666360), (30, 2399724), (36, 1999770), (40, 1799793), (45, 1599816), (54, 1333180), (60, 1199862), (72, 999885), (90, 799908), (108, 666590), (120, 599931), (135, 533272), (180, 399954), (191, 376920), (216, 333295), (270, 266636), (349, 206280), (360, 199977), (382, 188460), (540, 133318), (573, 125640), (698, 103140), (764, 94230), (955, 75384), (1047, 68760), (1080, 66659), (1146, 62820), (1396, 51570), (1528, 47115), (1719, 41880), (1745, 41256), (1910, 37692), (2094, 34380), (2292, 31410), (2792, 25785), (2865, 25128), (3141, 22920), (3438, 20940), (3490, 20628), (3820, 18846), (4188, 17190), (4584, 15705), (5157, 13960), (5235, 13752), (5730, 12564), (6282, 11460), (6876, 10470), (6980, 10314), (7640, 9423), (8376, 8595)]