4278420

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:179

約数の個数: 120

約数和(自身を含む): 14229600

約数和(自身を除く): 9951180

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, 270, 278, 285, 324, 342, 380, 405, 417, 513, 540, 556, 570, 684, 695, 810, 834, 855, 1026, 1140, 1251, 1390, 1539, 1620, 1668, 1710, 2052, 2085, 2502, 2565, 2641, 2780, 3078, 3420, 3753, 4170, 5004, 5130, 5282, 6156, 6255, 7506, 7695, 7923, 8340, 10260, 10564, 11259, 12510, 13205, 15012, 15390, 15846, 18765, 22518, 23769, 25020, 26410, 30780, 31692, 37530, 39615, 45036, 47538, 52820, 56295, 71307, 75060, 79230, 95076, 112590, 118845, 142614, 158460, 213921, 225180, 237690, 285228, 356535, 427842, 475380, 713070, 855684, 1069605, 1426140, 2139210, 4278420]

約数ペア:

[(1, 4278420), (2, 2139210), (3, 1426140), (4, 1069605), (5, 855684), (6, 713070), (9, 475380), (10, 427842), (12, 356535), (15, 285228), (18, 237690), (19, 225180), (20, 213921), (27, 158460), (30, 142614), (36, 118845), (38, 112590), (45, 95076), (54, 79230), (57, 75060), (60, 71307), (76, 56295), (81, 52820), (90, 47538), (95, 45036), (108, 39615), (114, 37530), (135, 31692), (139, 30780), (162, 26410), (171, 25020), (180, 23769), (190, 22518), (228, 18765), (270, 15846), (278, 15390), (285, 15012), (324, 13205), (342, 12510), (380, 11259), (405, 10564), (417, 10260), (513, 8340), (540, 7923), (556, 7695), (570, 7506), (684, 6255), (695, 6156), (810, 5282), (834, 5130), (855, 5004), (1026, 4170), (1140, 3753), (1251, 3420), (1390, 3078), (1539, 2780), (1620, 2641), (1668, 2565), (1710, 2502), (2052, 2085)]