215515860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{239}}^1$

素因数の和:390

約数の個数: 192

約数和(自身を含む): 735436800

約数和(自身を除く): 519920940

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 113, 114, 133, 140, 190, 210, 226, 228, 239, 266, 285, 339, 380, 399, 420, 452, 478, 532, 565, 570, 665, 678, 717, 791, 798, 956, 1130, 1140, 1195, 1330, 1356, 1434, 1582, 1596, 1673, 1695, 1995, 2147, 2260, 2373, 2390, 2660, 2868, 3164, 3346, 3390, 3585, 3955, 3990, 4294, 4541, 4746, 4780, 5019, 6441, 6692, 6780, 7170, 7910, 7980, 8365, 8588, 9082, 9492, 10038, 10735, 11865, 12882, 13623, 14340, 15029, 15820, 16730, 18164, 20076, 21470, 22705, 23730, 25095, 25764, 27007, 27246, 30058, 31787, 32205, 33460, 42940, 45087, 45410, 47460, 50190, 54014, 54492, 60116, 63574, 64410, 68115, 75145, 81021, 90174, 90820, 95361, 100380, 108028, 127148, 128820, 135035, 136230, 150290, 158935, 162042, 180348, 189049, 190722, 225435, 270070, 272460, 300580, 317870, 324084, 378098, 381444, 405105, 450870, 476805, 513133, 540140, 567147, 635740, 756196, 810210, 901740, 945245, 953610, 1026266, 1134294, 1539399, 1620420, 1890490, 1907220, 2052532, 2268588, 2565665, 2835735, 3078798, 3591931, 3780980, 5131330, 5671470, 6157596, 7183862, 7696995, 10262660, 10775793, 11342940, 14367724, 15393990, 17959655, 21551586, 30787980, 35919310, 43103172, 53878965, 71838620, 107757930, 215515860]

約数ペア:

[(1, 215515860), (2, 107757930), (3, 71838620), (4, 53878965), (5, 43103172), (6, 35919310), (7, 30787980), (10, 21551586), (12, 17959655), (14, 15393990), (15, 14367724), (19, 11342940), (20, 10775793), (21, 10262660), (28, 7696995), (30, 7183862), (35, 6157596), (38, 5671470), (42, 5131330), (57, 3780980), (60, 3591931), (70, 3078798), (76, 2835735), (84, 2565665), (95, 2268588), (105, 2052532), (113, 1907220), (114, 1890490), (133, 1620420), (140, 1539399), (190, 1134294), (210, 1026266), (226, 953610), (228, 945245), (239, 901740), (266, 810210), (285, 756196), (339, 635740), (380, 567147), (399, 540140), (420, 513133), (452, 476805), (478, 450870), (532, 405105), (565, 381444), (570, 378098), (665, 324084), (678, 317870), (717, 300580), (791, 272460), (798, 270070), (956, 225435), (1130, 190722), (1140, 189049), (1195, 180348), (1330, 162042), (1356, 158935), (1434, 150290), (1582, 136230), (1596, 135035), (1673, 128820), (1695, 127148), (1995, 108028), (2147, 100380), (2260, 95361), (2373, 90820), (2390, 90174), (2660, 81021), (2868, 75145), (3164, 68115), (3346, 64410), (3390, 63574), (3585, 60116), (3955, 54492), (3990, 54014), (4294, 50190), (4541, 47460), (4746, 45410), (4780, 45087), (5019, 42940), (6441, 33460), (6692, 32205), (6780, 31787), (7170, 30058), (7910, 27246), (7980, 27007), (8365, 25764), (8588, 25095), (9082, 23730), (9492, 22705), (10038, 21470), (10735, 20076), (11865, 18164), (12882, 16730), (13623, 15820), (14340, 15029)]