72891576

素因数分解:

$2^3\times 3^4\times {\mathrm{197}}^1\times {\mathrm{571}}^1$

素因数の和:786

約数の個数: 80

約数和(自身を含む): 205559640

約数和(自身を除く): 132668064

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 197, 216, 324, 394, 571, 591, 648, 788, 1142, 1182, 1576, 1713, 1773, 2284, 2364, 3426, 3546, 4568, 4728, 5139, 5319, 6852, 7092, 10278, 10638, 13704, 14184, 15417, 15957, 20556, 21276, 30834, 31914, 41112, 42552, 46251, 61668, 63828, 92502, 112487, 123336, 127656, 185004, 224974, 337461, 370008, 449948, 674922, 899896, 1012383, 1349844, 2024766, 2699688, 3037149, 4049532, 6074298, 8099064, 9111447, 12148596, 18222894, 24297192, 36445788, 72891576]

約数ペア:

[(1, 72891576), (2, 36445788), (3, 24297192), (4, 18222894), (6, 12148596), (8, 9111447), (9, 8099064), (12, 6074298), (18, 4049532), (24, 3037149), (27, 2699688), (36, 2024766), (54, 1349844), (72, 1012383), (81, 899896), (108, 674922), (162, 449948), (197, 370008), (216, 337461), (324, 224974), (394, 185004), (571, 127656), (591, 123336), (648, 112487), (788, 92502), (1142, 63828), (1182, 61668), (1576, 46251), (1713, 42552), (1773, 41112), (2284, 31914), (2364, 30834), (3426, 21276), (3546, 20556), (4568, 15957), (4728, 15417), (5139, 14184), (5319, 13704), (6852, 10638), (7092, 10278)]