201021240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{1433}}^1$

素因数の和:1621

約数の個数: 128

約数和(自身を含む): 693826560

約数和(自身を除く): 492805320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 167, 168, 210, 280, 334, 420, 501, 668, 835, 840, 1002, 1169, 1336, 1433, 1670, 2004, 2338, 2505, 2866, 3340, 3507, 4008, 4299, 4676, 5010, 5732, 5845, 6680, 7014, 7165, 8598, 9352, 10020, 10031, 11464, 11690, 14028, 14330, 17196, 17535, 20040, 20062, 21495, 23380, 28056, 28660, 30093, 34392, 35070, 40124, 42990, 46760, 50155, 57320, 60186, 70140, 80248, 85980, 100310, 120372, 140280, 150465, 171960, 200620, 239311, 240744, 300930, 401240, 478622, 601860, 717933, 957244, 1196555, 1203720, 1435866, 1675177, 1914488, 2393110, 2871732, 3350354, 3589665, 4786220, 5025531, 5743464, 6700708, 7179330, 8375885, 9572440, 10051062, 13401416, 14358660, 16751770, 20102124, 25127655, 28717320, 33503540, 40204248, 50255310, 67007080, 100510620, 201021240]

約数ペア:

[(1, 201021240), (2, 100510620), (3, 67007080), (4, 50255310), (5, 40204248), (6, 33503540), (7, 28717320), (8, 25127655), (10, 20102124), (12, 16751770), (14, 14358660), (15, 13401416), (20, 10051062), (21, 9572440), (24, 8375885), (28, 7179330), (30, 6700708), (35, 5743464), (40, 5025531), (42, 4786220), (56, 3589665), (60, 3350354), (70, 2871732), (84, 2393110), (105, 1914488), (120, 1675177), (140, 1435866), (167, 1203720), (168, 1196555), (210, 957244), (280, 717933), (334, 601860), (420, 478622), (501, 401240), (668, 300930), (835, 240744), (840, 239311), (1002, 200620), (1169, 171960), (1336, 150465), (1433, 140280), (1670, 120372), (2004, 100310), (2338, 85980), (2505, 80248), (2866, 70140), (3340, 60186), (3507, 57320), (4008, 50155), (4299, 46760), (4676, 42990), (5010, 40124), (5732, 35070), (5845, 34392), (6680, 30093), (7014, 28660), (7165, 28056), (8598, 23380), (9352, 21495), (10020, 20062), (10031, 20040), (11464, 17535), (11690, 17196), (14028, 14330)]