215591220

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{353}}^1$

素因数の和:416

約数の個数: 240

約数和(自身を含む): 755591760

約数和(自身を除く): 540000540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 29, 30, 36, 39, 45, 52, 54, 58, 60, 65, 78, 81, 87, 90, 108, 116, 117, 130, 135, 145, 156, 162, 174, 180, 195, 234, 260, 261, 270, 290, 324, 348, 351, 353, 377, 390, 405, 435, 468, 522, 540, 580, 585, 702, 706, 754, 780, 783, 810, 870, 1044, 1053, 1059, 1131, 1170, 1305, 1404, 1412, 1508, 1566, 1620, 1740, 1755, 1765, 1885, 2106, 2118, 2262, 2340, 2349, 2610, 3132, 3177, 3393, 3510, 3530, 3770, 3915, 4212, 4236, 4524, 4589, 4698, 5220, 5265, 5295, 5655, 6354, 6786, 7020, 7060, 7540, 7830, 9178, 9396, 9531, 10179, 10237, 10530, 10590, 11310, 11745, 12708, 13572, 13767, 15660, 15885, 16965, 18356, 19062, 20358, 20474, 21060, 21180, 22620, 22945, 23490, 27534, 28593, 30537, 30711, 31770, 33930, 38124, 40716, 40948, 41301, 45890, 46980, 47655, 50895, 51185, 55068, 57186, 61074, 61422, 63540, 67860, 68835, 82602, 91780, 92133, 95310, 101790, 102370, 114372, 122148, 122844, 123903, 133081, 137670, 142965, 152685, 153555, 165204, 184266, 190620, 203580, 204740, 206505, 247806, 266162, 275340, 276399, 285930, 305370, 307110, 368532, 371709, 399243, 413010, 460665, 495612, 532324, 552798, 571860, 610740, 614220, 619515, 665405, 743418, 798486, 826020, 829197, 921330, 1105596, 1197729, 1239030, 1330810, 1381995, 1486836, 1596972, 1658394, 1842660, 1858545, 1996215, 2395458, 2478060, 2661620, 2763990, 3316788, 3593187, 3717090, 3992430, 4145985, 4790916, 5527980, 5988645, 7186374, 7434180, 7984860, 8291970, 10779561, 11977290, 14372748, 16583940, 17965935, 21559122, 23954580, 35931870, 43118244, 53897805, 71863740, 107795610, 215591220]

約数ペア:

[(1, 215591220), (2, 107795610), (3, 71863740), (4, 53897805), (5, 43118244), (6, 35931870), (9, 23954580), (10, 21559122), (12, 17965935), (13, 16583940), (15, 14372748), (18, 11977290), (20, 10779561), (26, 8291970), (27, 7984860), (29, 7434180), (30, 7186374), (36, 5988645), (39, 5527980), (45, 4790916), (52, 4145985), (54, 3992430), (58, 3717090), (60, 3593187), (65, 3316788), (78, 2763990), (81, 2661620), (87, 2478060), (90, 2395458), (108, 1996215), (116, 1858545), (117, 1842660), (130, 1658394), (135, 1596972), (145, 1486836), (156, 1381995), (162, 1330810), (174, 1239030), (180, 1197729), (195, 1105596), (234, 921330), (260, 829197), (261, 826020), (270, 798486), (290, 743418), (324, 665405), (348, 619515), (351, 614220), (353, 610740), (377, 571860), (390, 552798), (405, 532324), (435, 495612), (468, 460665), (522, 413010), (540, 399243), (580, 371709), (585, 368532), (702, 307110), (706, 305370), (754, 285930), (780, 276399), (783, 275340), (810, 266162), (870, 247806), (1044, 206505), (1053, 204740), (1059, 203580), (1131, 190620), (1170, 184266), (1305, 165204), (1404, 153555), (1412, 152685), (1508, 142965), (1566, 137670), (1620, 133081), (1740, 123903), (1755, 122844), (1765, 122148), (1885, 114372), (2106, 102370), (2118, 101790), (2262, 95310), (2340, 92133), (2349, 91780), (2610, 82602), (3132, 68835), (3177, 67860), (3393, 63540), (3510, 61422), (3530, 61074), (3770, 57186), (3915, 55068), (4212, 51185), (4236, 50895), (4524, 47655), (4589, 46980), (4698, 45890), (5220, 41301), (5265, 40948), (5295, 40716), (5655, 38124), (6354, 33930), (6786, 31770), (7020, 30711), (7060, 30537), (7540, 28593), (7830, 27534), (9178, 23490), (9396, 22945), (9531, 22620), (10179, 21180), (10237, 21060), (10530, 20474), (10590, 20358), (11310, 19062), (11745, 18356), (12708, 16965), (13572, 15885), (13767, 15660)]