38505780

素因数分解:

$2^2\times 3^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:185

約数の個数: 168

約数和(自身を含む): 128536800

約数和(自身を除く): 90031020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 81, 90, 95, 108, 114, 135, 139, 162, 171, 180, 190, 228, 243, 270, 278, 285, 324, 342, 380, 405, 417, 486, 513, 540, 556, 570, 684, 695, 729, 810, 834, 855, 972, 1026, 1140, 1215, 1251, 1390, 1458, 1539, 1620, 1668, 1710, 2052, 2085, 2430, 2502, 2565, 2641, 2780, 2916, 3078, 3420, 3645, 3753, 4170, 4617, 4860, 5004, 5130, 5282, 6156, 6255, 7290, 7506, 7695, 7923, 8340, 9234, 10260, 10564, 11259, 12510, 13205, 13851, 14580, 15012, 15390, 15846, 18468, 18765, 22518, 23085, 23769, 25020, 26410, 27702, 30780, 31692, 33777, 37530, 39615, 45036, 46170, 47538, 52820, 55404, 56295, 67554, 69255, 71307, 75060, 79230, 92340, 95076, 101331, 112590, 118845, 135108, 138510, 142614, 158460, 168885, 202662, 213921, 225180, 237690, 277020, 285228, 337770, 356535, 405324, 427842, 475380, 506655, 641763, 675540, 713070, 855684, 1013310, 1069605, 1283526, 1426140, 1925289, 2026620, 2139210, 2567052, 3208815, 3850578, 4278420, 6417630, 7701156, 9626445, 12835260, 19252890, 38505780]

約数ペア:

[(1, 38505780), (2, 19252890), (3, 12835260), (4, 9626445), (5, 7701156), (6, 6417630), (9, 4278420), (10, 3850578), (12, 3208815), (15, 2567052), (18, 2139210), (19, 2026620), (20, 1925289), (27, 1426140), (30, 1283526), (36, 1069605), (38, 1013310), (45, 855684), (54, 713070), (57, 675540), (60, 641763), (76, 506655), (81, 475380), (90, 427842), (95, 405324), (108, 356535), (114, 337770), (135, 285228), (139, 277020), (162, 237690), (171, 225180), (180, 213921), (190, 202662), (228, 168885), (243, 158460), (270, 142614), (278, 138510), (285, 135108), (324, 118845), (342, 112590), (380, 101331), (405, 95076), (417, 92340), (486, 79230), (513, 75060), (540, 71307), (556, 69255), (570, 67554), (684, 56295), (695, 55404), (729, 52820), (810, 47538), (834, 46170), (855, 45036), (972, 39615), (1026, 37530), (1140, 33777), (1215, 31692), (1251, 30780), (1390, 27702), (1458, 26410), (1539, 25020), (1620, 23769), (1668, 23085), (1710, 22518), (2052, 18765), (2085, 18468), (2430, 15846), (2502, 15390), (2565, 15012), (2641, 14580), (2780, 13851), (2916, 13205), (3078, 12510), (3420, 11259), (3645, 10564), (3753, 10260), (4170, 9234), (4617, 8340), (4860, 7923), (5004, 7695), (5130, 7506), (5282, 7290), (6156, 6255)]