305378520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{797}}^1$

素因数の和:945

約数の個数: 128

約数和(自身を含む): 956067840

約数和(自身を除く): 650689320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 103, 120, 124, 155, 186, 206, 248, 309, 310, 372, 412, 465, 515, 618, 620, 744, 797, 824, 930, 1030, 1236, 1240, 1545, 1594, 1860, 2060, 2391, 2472, 3090, 3188, 3193, 3720, 3985, 4120, 4782, 6180, 6376, 6386, 7970, 9564, 9579, 11955, 12360, 12772, 15940, 15965, 19128, 19158, 23910, 24707, 25544, 31880, 31930, 38316, 47820, 47895, 49414, 63860, 74121, 76632, 82091, 95640, 95790, 98828, 123535, 127720, 148242, 164182, 191580, 197656, 246273, 247070, 296484, 328364, 370605, 383160, 410455, 492546, 494140, 592968, 656728, 741210, 820910, 985092, 988280, 1231365, 1482420, 1641820, 1970184, 2462730, 2544821, 2964840, 3283640, 4925460, 5089642, 7634463, 9850920, 10179284, 12724105, 15268926, 20358568, 25448210, 30537852, 38172315, 50896420, 61075704, 76344630, 101792840, 152689260, 305378520]

約数ペア:

[(1, 305378520), (2, 152689260), (3, 101792840), (4, 76344630), (5, 61075704), (6, 50896420), (8, 38172315), (10, 30537852), (12, 25448210), (15, 20358568), (20, 15268926), (24, 12724105), (30, 10179284), (31, 9850920), (40, 7634463), (60, 5089642), (62, 4925460), (93, 3283640), (103, 2964840), (120, 2544821), (124, 2462730), (155, 1970184), (186, 1641820), (206, 1482420), (248, 1231365), (309, 988280), (310, 985092), (372, 820910), (412, 741210), (465, 656728), (515, 592968), (618, 494140), (620, 492546), (744, 410455), (797, 383160), (824, 370605), (930, 328364), (1030, 296484), (1236, 247070), (1240, 246273), (1545, 197656), (1594, 191580), (1860, 164182), (2060, 148242), (2391, 127720), (2472, 123535), (3090, 98828), (3188, 95790), (3193, 95640), (3720, 82091), (3985, 76632), (4120, 74121), (4782, 63860), (6180, 49414), (6376, 47895), (6386, 47820), (7970, 38316), (9564, 31930), (9579, 31880), (11955, 25544), (12360, 24707), (12772, 23910), (15940, 19158), (15965, 19128)]