238492920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1051}}^1$

素因数の和:1157

約数の個数: 128

約数和(自身を含む): 751380480

約数和(自身を除く): 512887560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 61, 62, 93, 120, 122, 124, 155, 183, 186, 244, 248, 305, 310, 366, 372, 465, 488, 610, 620, 732, 744, 915, 930, 1051, 1220, 1240, 1464, 1830, 1860, 1891, 2102, 2440, 3153, 3660, 3720, 3782, 4204, 5255, 5673, 6306, 7320, 7564, 8408, 9455, 10510, 11346, 12612, 15128, 15765, 18910, 21020, 22692, 25224, 28365, 31530, 32581, 37820, 42040, 45384, 56730, 63060, 64111, 65162, 75640, 97743, 113460, 126120, 128222, 130324, 162905, 192333, 195486, 226920, 256444, 260648, 320555, 325810, 384666, 390972, 488715, 512888, 641110, 651620, 769332, 781944, 961665, 977430, 1282220, 1303240, 1538664, 1923330, 1954860, 1987441, 2564440, 3846660, 3909720, 3974882, 5962323, 7693320, 7949764, 9937205, 11924646, 15899528, 19874410, 23849292, 29811615, 39748820, 47698584, 59623230, 79497640, 119246460, 238492920]

約数ペア:

[(1, 238492920), (2, 119246460), (3, 79497640), (4, 59623230), (5, 47698584), (6, 39748820), (8, 29811615), (10, 23849292), (12, 19874410), (15, 15899528), (20, 11924646), (24, 9937205), (30, 7949764), (31, 7693320), (40, 5962323), (60, 3974882), (61, 3909720), (62, 3846660), (93, 2564440), (120, 1987441), (122, 1954860), (124, 1923330), (155, 1538664), (183, 1303240), (186, 1282220), (244, 977430), (248, 961665), (305, 781944), (310, 769332), (366, 651620), (372, 641110), (465, 512888), (488, 488715), (610, 390972), (620, 384666), (732, 325810), (744, 320555), (915, 260648), (930, 256444), (1051, 226920), (1220, 195486), (1240, 192333), (1464, 162905), (1830, 130324), (1860, 128222), (1891, 126120), (2102, 113460), (2440, 97743), (3153, 75640), (3660, 65162), (3720, 64111), (3782, 63060), (4204, 56730), (5255, 45384), (5673, 42040), (6306, 37820), (7320, 32581), (7564, 31530), (8408, 28365), (9455, 25224), (10510, 22692), (11346, 21020), (12612, 18910), (15128, 15765)]