215902260

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{241}}^1$

素因数の和:348

約数の個数: 240

約数和(自身を含む): 787100160

約数和(自身を除く): 571197900

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 79, 81, 84, 90, 105, 108, 126, 135, 140, 158, 162, 180, 189, 210, 237, 241, 252, 270, 315, 316, 324, 378, 395, 405, 420, 474, 482, 540, 553, 567, 630, 711, 723, 756, 790, 810, 945, 948, 964, 1106, 1134, 1185, 1205, 1260, 1422, 1446, 1580, 1620, 1659, 1687, 1890, 2133, 2169, 2212, 2268, 2370, 2410, 2765, 2835, 2844, 2892, 3318, 3374, 3555, 3615, 3780, 4266, 4338, 4740, 4820, 4977, 5061, 5530, 5670, 6399, 6507, 6636, 6748, 7110, 7230, 8295, 8435, 8532, 8676, 9954, 10122, 10665, 10845, 11060, 11340, 12798, 13014, 14220, 14460, 14931, 15183, 16590, 16870, 19039, 19521, 19908, 20244, 21330, 21690, 24885, 25305, 25596, 26028, 29862, 30366, 31995, 32535, 33180, 33740, 38078, 39042, 42660, 43380, 44793, 45549, 49770, 50610, 57117, 59724, 60732, 63990, 65070, 74655, 75915, 76156, 78084, 89586, 91098, 95195, 97605, 99540, 101220, 114234, 127980, 130140, 133273, 136647, 149310, 151830, 171351, 179172, 182196, 190390, 195210, 223965, 227745, 228468, 266546, 273294, 285585, 298620, 303660, 342702, 380780, 390420, 399819, 447930, 455490, 514053, 533092, 546588, 571170, 666365, 683235, 685404, 799638, 856755, 895860, 910980, 1028106, 1142340, 1199457, 1332730, 1366470, 1542159, 1599276, 1713510, 1999095, 2056212, 2398914, 2570265, 2665460, 2732940, 3084318, 3427020, 3598371, 3998190, 4797828, 5140530, 5997285, 6168636, 7196742, 7710795, 7996380, 10281060, 10795113, 11994570, 14393484, 15421590, 17991855, 21590226, 23989140, 30843180, 35983710, 43180452, 53975565, 71967420, 107951130, 215902260]

約数ペア:

[(1, 215902260), (2, 107951130), (3, 71967420), (4, 53975565), (5, 43180452), (6, 35983710), (7, 30843180), (9, 23989140), (10, 21590226), (12, 17991855), (14, 15421590), (15, 14393484), (18, 11994570), (20, 10795113), (21, 10281060), (27, 7996380), (28, 7710795), (30, 7196742), (35, 6168636), (36, 5997285), (42, 5140530), (45, 4797828), (54, 3998190), (60, 3598371), (63, 3427020), (70, 3084318), (79, 2732940), (81, 2665460), (84, 2570265), (90, 2398914), (105, 2056212), (108, 1999095), (126, 1713510), (135, 1599276), (140, 1542159), (158, 1366470), (162, 1332730), (180, 1199457), (189, 1142340), (210, 1028106), (237, 910980), (241, 895860), (252, 856755), (270, 799638), (315, 685404), (316, 683235), (324, 666365), (378, 571170), (395, 546588), (405, 533092), (420, 514053), (474, 455490), (482, 447930), (540, 399819), (553, 390420), (567, 380780), (630, 342702), (711, 303660), (723, 298620), (756, 285585), (790, 273294), (810, 266546), (945, 228468), (948, 227745), (964, 223965), (1106, 195210), (1134, 190390), (1185, 182196), (1205, 179172), (1260, 171351), (1422, 151830), (1446, 149310), (1580, 136647), (1620, 133273), (1659, 130140), (1687, 127980), (1890, 114234), (2133, 101220), (2169, 99540), (2212, 97605), (2268, 95195), (2370, 91098), (2410, 89586), (2765, 78084), (2835, 76156), (2844, 75915), (2892, 74655), (3318, 65070), (3374, 63990), (3555, 60732), (3615, 59724), (3780, 57117), (4266, 50610), (4338, 49770), (4740, 45549), (4820, 44793), (4977, 43380), (5061, 42660), (5530, 39042), (5670, 38078), (6399, 33740), (6507, 33180), (6636, 32535), (6748, 31995), (7110, 30366), (7230, 29862), (8295, 26028), (8435, 25596), (8532, 25305), (8676, 24885), (9954, 21690), (10122, 21330), (10665, 20244), (10845, 19908), (11060, 19521), (11340, 19039), (12798, 16870), (13014, 16590), (14220, 15183), (14460, 14931)]