819261180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{3581}}^1$

素因数の和:3668

約数の個数: 144

約数和(自身を含む): 2628557568

約数和(自身を除く): 1809296388

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 41, 45, 60, 62, 82, 90, 93, 123, 124, 155, 164, 180, 186, 205, 246, 279, 310, 369, 372, 410, 465, 492, 558, 615, 620, 738, 820, 930, 1116, 1230, 1271, 1395, 1476, 1845, 1860, 2460, 2542, 2790, 3581, 3690, 3813, 5084, 5580, 6355, 7162, 7380, 7626, 10743, 11439, 12710, 14324, 15252, 17905, 19065, 21486, 22878, 25420, 32229, 35810, 38130, 42972, 45756, 53715, 57195, 64458, 71620, 76260, 107430, 111011, 114390, 128916, 146821, 161145, 214860, 222022, 228780, 293642, 322290, 333033, 440463, 444044, 555055, 587284, 644580, 666066, 734105, 880926, 999099, 1110110, 1321389, 1332132, 1468210, 1665165, 1761852, 1998198, 2202315, 2220220, 2642778, 2936420, 3330330, 3996396, 4404630, 4551451, 4995495, 5285556, 6606945, 6660660, 8809260, 9102902, 9990990, 13213890, 13654353, 18205804, 19981980, 22757255, 26427780, 27308706, 40963059, 45514510, 54617412, 68271765, 81926118, 91029020, 136543530, 163852236, 204815295, 273087060, 409630590, 819261180]

約数ペア:

[(1, 819261180), (2, 409630590), (3, 273087060), (4, 204815295), (5, 163852236), (6, 136543530), (9, 91029020), (10, 81926118), (12, 68271765), (15, 54617412), (18, 45514510), (20, 40963059), (30, 27308706), (31, 26427780), (36, 22757255), (41, 19981980), (45, 18205804), (60, 13654353), (62, 13213890), (82, 9990990), (90, 9102902), (93, 8809260), (123, 6660660), (124, 6606945), (155, 5285556), (164, 4995495), (180, 4551451), (186, 4404630), (205, 3996396), (246, 3330330), (279, 2936420), (310, 2642778), (369, 2220220), (372, 2202315), (410, 1998198), (465, 1761852), (492, 1665165), (558, 1468210), (615, 1332132), (620, 1321389), (738, 1110110), (820, 999099), (930, 880926), (1116, 734105), (1230, 666066), (1271, 644580), (1395, 587284), (1476, 555055), (1845, 444044), (1860, 440463), (2460, 333033), (2542, 322290), (2790, 293642), (3581, 228780), (3690, 222022), (3813, 214860), (5084, 161145), (5580, 146821), (6355, 128916), (7162, 114390), (7380, 111011), (7626, 107430), (10743, 76260), (11439, 71620), (12710, 64458), (14324, 57195), (15252, 53715), (17905, 45756), (19065, 42972), (21486, 38130), (22878, 35810), (25420, 32229)]