123215580

素因数分解:

$2^2\times 3^9\times 5^1\times {\mathrm{313}}^1$

素因数の和:349

約数の個数: 120

約数和(自身を含む): 389362512

約数和(自身を除く): 266146932

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 313, 324, 405, 486, 540, 626, 729, 810, 939, 972, 1215, 1252, 1458, 1565, 1620, 1878, 2187, 2430, 2817, 2916, 3130, 3645, 3756, 4374, 4695, 4860, 5634, 6260, 6561, 7290, 8451, 8748, 9390, 10935, 11268, 13122, 14085, 14580, 16902, 18780, 19683, 21870, 25353, 26244, 28170, 32805, 33804, 39366, 42255, 43740, 50706, 56340, 65610, 76059, 78732, 84510, 98415, 101412, 126765, 131220, 152118, 169020, 196830, 228177, 253530, 304236, 380295, 393660, 456354, 507060, 684531, 760590, 912708, 1140885, 1369062, 1521180, 2053593, 2281770, 2738124, 3422655, 4107186, 4563540, 6160779, 6845310, 8214372, 10267965, 12321558, 13690620, 20535930, 24643116, 30803895, 41071860, 61607790, 123215580]

約数ペア:

[(1, 123215580), (2, 61607790), (3, 41071860), (4, 30803895), (5, 24643116), (6, 20535930), (9, 13690620), (10, 12321558), (12, 10267965), (15, 8214372), (18, 6845310), (20, 6160779), (27, 4563540), (30, 4107186), (36, 3422655), (45, 2738124), (54, 2281770), (60, 2053593), (81, 1521180), (90, 1369062), (108, 1140885), (135, 912708), (162, 760590), (180, 684531), (243, 507060), (270, 456354), (313, 393660), (324, 380295), (405, 304236), (486, 253530), (540, 228177), (626, 196830), (729, 169020), (810, 152118), (939, 131220), (972, 126765), (1215, 101412), (1252, 98415), (1458, 84510), (1565, 78732), (1620, 76059), (1878, 65610), (2187, 56340), (2430, 50706), (2817, 43740), (2916, 42255), (3130, 39366), (3645, 33804), (3756, 32805), (4374, 28170), (4695, 26244), (4860, 25353), (5634, 21870), (6260, 19683), (6561, 18780), (7290, 16902), (8451, 14580), (8748, 14085), (9390, 13122), (10935, 11268)]