639620496

素因数分解:

$2^4\times 3^3\times {\mathrm{571}}^1\times {\mathrm{2593}}^1$

素因数の和:3181

約数の個数: 80

約数和(自身を含む): 1839872320

約数和(自身を除く): 1200251824

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 216, 432, 571, 1142, 1713, 2284, 2593, 3426, 4568, 5139, 5186, 6852, 7779, 9136, 10278, 10372, 13704, 15417, 15558, 20556, 20744, 23337, 27408, 30834, 31116, 41112, 41488, 46674, 61668, 62232, 70011, 82224, 93348, 123336, 124464, 140022, 186696, 246672, 280044, 373392, 560088, 1120176, 1480603, 2961206, 4441809, 5922412, 8883618, 11844824, 13325427, 17767236, 23689648, 26650854, 35534472, 39976281, 53301708, 71068944, 79952562, 106603416, 159905124, 213206832, 319810248, 639620496]

約数ペア:

[(1, 639620496), (2, 319810248), (3, 213206832), (4, 159905124), (6, 106603416), (8, 79952562), (9, 71068944), (12, 53301708), (16, 39976281), (18, 35534472), (24, 26650854), (27, 23689648), (36, 17767236), (48, 13325427), (54, 11844824), (72, 8883618), (108, 5922412), (144, 4441809), (216, 2961206), (432, 1480603), (571, 1120176), (1142, 560088), (1713, 373392), (2284, 280044), (2593, 246672), (3426, 186696), (4568, 140022), (5139, 124464), (5186, 123336), (6852, 93348), (7779, 82224), (9136, 70011), (10278, 62232), (10372, 61668), (13704, 46674), (15417, 41488), (15558, 41112), (20556, 31116), (20744, 30834), (23337, 27408)]