31802280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1$

素因数の和:231

約数の個数: 128

約数和(自身を含む): 100638720

約数和(自身を除く): 68836440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 83, 93, 103, 120, 124, 155, 166, 186, 206, 248, 249, 309, 310, 332, 372, 412, 415, 465, 498, 515, 618, 620, 664, 744, 824, 830, 930, 996, 1030, 1236, 1240, 1245, 1545, 1660, 1860, 1992, 2060, 2472, 2490, 2573, 3090, 3193, 3320, 3720, 4120, 4980, 5146, 6180, 6386, 7719, 8549, 9579, 9960, 10292, 12360, 12772, 12865, 15438, 15965, 17098, 19158, 20584, 25544, 25647, 25730, 30876, 31930, 34196, 38316, 38595, 42745, 47895, 51294, 51460, 61752, 63860, 68392, 76632, 77190, 85490, 95790, 102588, 102920, 127720, 128235, 154380, 170980, 191580, 205176, 256470, 265019, 308760, 341960, 383160, 512940, 530038, 795057, 1025880, 1060076, 1325095, 1590114, 2120152, 2650190, 3180228, 3975285, 5300380, 6360456, 7950570, 10600760, 15901140, 31802280]

約数ペア:

[(1, 31802280), (2, 15901140), (3, 10600760), (4, 7950570), (5, 6360456), (6, 5300380), (8, 3975285), (10, 3180228), (12, 2650190), (15, 2120152), (20, 1590114), (24, 1325095), (30, 1060076), (31, 1025880), (40, 795057), (60, 530038), (62, 512940), (83, 383160), (93, 341960), (103, 308760), (120, 265019), (124, 256470), (155, 205176), (166, 191580), (186, 170980), (206, 154380), (248, 128235), (249, 127720), (309, 102920), (310, 102588), (332, 95790), (372, 85490), (412, 77190), (415, 76632), (465, 68392), (498, 63860), (515, 61752), (618, 51460), (620, 51294), (664, 47895), (744, 42745), (824, 38595), (830, 38316), (930, 34196), (996, 31930), (1030, 30876), (1236, 25730), (1240, 25647), (1245, 25544), (1545, 20584), (1660, 19158), (1860, 17098), (1992, 15965), (2060, 15438), (2472, 12865), (2490, 12772), (2573, 12360), (3090, 10292), (3193, 9960), (3320, 9579), (3720, 8549), (4120, 7719), (4980, 6386), (5146, 6180)]