42587490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:256

約数の個数: 128

約数和(自身を含む): 120766464

約数和(自身を除く): 78178974

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 23, 30, 31, 33, 46, 55, 62, 66, 69, 93, 110, 115, 138, 155, 165, 181, 186, 230, 253, 310, 330, 341, 345, 362, 465, 506, 543, 682, 690, 713, 759, 905, 930, 1023, 1086, 1265, 1426, 1518, 1705, 1810, 1991, 2046, 2139, 2530, 2715, 3410, 3565, 3795, 3982, 4163, 4278, 5115, 5430, 5611, 5973, 7130, 7590, 7843, 8326, 9955, 10230, 10695, 11222, 11946, 12489, 15686, 16833, 19910, 20815, 21390, 23529, 24978, 28055, 29865, 33666, 39215, 41630, 45793, 47058, 56110, 59730, 61721, 62445, 78430, 84165, 91586, 117645, 123442, 124890, 129053, 137379, 168330, 185163, 228965, 235290, 258106, 274758, 308605, 370326, 387159, 457930, 617210, 645265, 686895, 774318, 925815, 1290530, 1373790, 1419583, 1851630, 1935795, 2839166, 3871590, 4258749, 7097915, 8517498, 14195830, 21293745, 42587490]

約数ペア:

[(1, 42587490), (2, 21293745), (3, 14195830), (5, 8517498), (6, 7097915), (10, 4258749), (11, 3871590), (15, 2839166), (22, 1935795), (23, 1851630), (30, 1419583), (31, 1373790), (33, 1290530), (46, 925815), (55, 774318), (62, 686895), (66, 645265), (69, 617210), (93, 457930), (110, 387159), (115, 370326), (138, 308605), (155, 274758), (165, 258106), (181, 235290), (186, 228965), (230, 185163), (253, 168330), (310, 137379), (330, 129053), (341, 124890), (345, 123442), (362, 117645), (465, 91586), (506, 84165), (543, 78430), (682, 62445), (690, 61721), (713, 59730), (759, 56110), (905, 47058), (930, 45793), (1023, 41630), (1086, 39215), (1265, 33666), (1426, 29865), (1518, 28055), (1705, 24978), (1810, 23529), (1991, 21390), (2046, 20815), (2139, 19910), (2530, 16833), (2715, 15686), (3410, 12489), (3565, 11946), (3795, 11222), (3982, 10695), (4163, 10230), (4278, 9955), (5115, 8326), (5430, 7843), (5611, 7590), (5973, 7130)]