28015470

素因数分解:

$2^1\times 3^8\times 5^1\times 7^1\times {\mathrm{61}}^1$

素因数の和:99

約数の個数: 144

約数和(自身を含む): 87860448

約数和(自身を除く): 59844978

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 61, 63, 70, 81, 90, 105, 122, 126, 135, 162, 183, 189, 210, 243, 270, 305, 315, 366, 378, 405, 427, 486, 549, 567, 610, 630, 729, 810, 854, 915, 945, 1098, 1134, 1215, 1281, 1458, 1647, 1701, 1830, 1890, 2135, 2187, 2430, 2562, 2745, 2835, 3294, 3402, 3645, 3843, 4270, 4374, 4941, 5103, 5490, 5670, 6405, 6561, 7290, 7686, 8235, 8505, 9882, 10206, 10935, 11529, 12810, 13122, 14823, 15309, 16470, 17010, 19215, 21870, 23058, 24705, 25515, 29646, 30618, 32805, 34587, 38430, 44469, 45927, 49410, 51030, 57645, 65610, 69174, 74115, 76545, 88938, 91854, 103761, 115290, 133407, 148230, 153090, 172935, 207522, 222345, 229635, 266814, 311283, 345870, 400221, 444690, 459270, 518805, 622566, 667035, 800442, 933849, 1037610, 1334070, 1556415, 1867698, 2001105, 2801547, 3112830, 4002210, 4669245, 5603094, 9338490, 14007735, 28015470]

約数ペア:

[(1, 28015470), (2, 14007735), (3, 9338490), (5, 5603094), (6, 4669245), (7, 4002210), (9, 3112830), (10, 2801547), (14, 2001105), (15, 1867698), (18, 1556415), (21, 1334070), (27, 1037610), (30, 933849), (35, 800442), (42, 667035), (45, 622566), (54, 518805), (61, 459270), (63, 444690), (70, 400221), (81, 345870), (90, 311283), (105, 266814), (122, 229635), (126, 222345), (135, 207522), (162, 172935), (183, 153090), (189, 148230), (210, 133407), (243, 115290), (270, 103761), (305, 91854), (315, 88938), (366, 76545), (378, 74115), (405, 69174), (427, 65610), (486, 57645), (549, 51030), (567, 49410), (610, 45927), (630, 44469), (729, 38430), (810, 34587), (854, 32805), (915, 30618), (945, 29646), (1098, 25515), (1134, 24705), (1215, 23058), (1281, 21870), (1458, 19215), (1647, 17010), (1701, 16470), (1830, 15309), (1890, 14823), (2135, 13122), (2187, 12810), (2430, 11529), (2562, 10935), (2745, 10206), (2835, 9882), (3294, 8505), (3402, 8235), (3645, 7686), (3843, 7290), (4270, 6561), (4374, 6405), (4941, 5670), (5103, 5490)]