28636860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1663}}^1$

素因数の和:1723

約数の個数: 96

約数和(自身を含む): 93929472

約数和(自身を除く): 65292612

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 41, 42, 60, 70, 82, 84, 105, 123, 140, 164, 205, 210, 246, 287, 410, 420, 492, 574, 615, 820, 861, 1148, 1230, 1435, 1663, 1722, 2460, 2870, 3326, 3444, 4305, 4989, 5740, 6652, 8315, 8610, 9978, 11641, 16630, 17220, 19956, 23282, 24945, 33260, 34923, 46564, 49890, 58205, 68183, 69846, 99780, 116410, 136366, 139692, 174615, 204549, 232820, 272732, 340915, 349230, 409098, 477281, 681830, 698460, 818196, 954562, 1022745, 1363660, 1431843, 1909124, 2045490, 2386405, 2863686, 4090980, 4772810, 5727372, 7159215, 9545620, 14318430, 28636860]

約数ペア:

[(1, 28636860), (2, 14318430), (3, 9545620), (4, 7159215), (5, 5727372), (6, 4772810), (7, 4090980), (10, 2863686), (12, 2386405), (14, 2045490), (15, 1909124), (20, 1431843), (21, 1363660), (28, 1022745), (30, 954562), (35, 818196), (41, 698460), (42, 681830), (60, 477281), (70, 409098), (82, 349230), (84, 340915), (105, 272732), (123, 232820), (140, 204549), (164, 174615), (205, 139692), (210, 136366), (246, 116410), (287, 99780), (410, 69846), (420, 68183), (492, 58205), (574, 49890), (615, 46564), (820, 34923), (861, 33260), (1148, 24945), (1230, 23282), (1435, 19956), (1663, 17220), (1722, 16630), (2460, 11641), (2870, 9978), (3326, 8610), (3444, 8315), (4305, 6652), (4989, 5740)]