72489228

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:172

約数の個数: 144

約数和(自身を含む): 208986624

約数和(自身を除く): 136497396

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 43, 47, 49, 61, 84, 86, 94, 98, 122, 129, 141, 147, 172, 183, 188, 196, 244, 258, 282, 294, 301, 329, 366, 427, 516, 564, 588, 602, 658, 732, 854, 903, 987, 1204, 1281, 1316, 1708, 1806, 1974, 2021, 2107, 2303, 2562, 2623, 2867, 2989, 3612, 3948, 4042, 4214, 4606, 5124, 5246, 5734, 5978, 6063, 6321, 6909, 7869, 8084, 8428, 8601, 8967, 9212, 10492, 11468, 11956, 12126, 12642, 13818, 14147, 15738, 17202, 17934, 18361, 20069, 24252, 25284, 27636, 28294, 31476, 34404, 35868, 36722, 40138, 42441, 55083, 56588, 60207, 73444, 80276, 84882, 99029, 110166, 120414, 123281, 128527, 140483, 169764, 198058, 220332, 240828, 246562, 257054, 280966, 297087, 369843, 385581, 396116, 421449, 493124, 514108, 561932, 594174, 739686, 771162, 842898, 862967, 1188348, 1479372, 1542324, 1685796, 1725934, 2588901, 3451868, 5177802, 6040769, 10355604, 12081538, 18122307, 24163076, 36244614, 72489228]

約数ペア:

[(1, 72489228), (2, 36244614), (3, 24163076), (4, 18122307), (6, 12081538), (7, 10355604), (12, 6040769), (14, 5177802), (21, 3451868), (28, 2588901), (42, 1725934), (43, 1685796), (47, 1542324), (49, 1479372), (61, 1188348), (84, 862967), (86, 842898), (94, 771162), (98, 739686), (122, 594174), (129, 561932), (141, 514108), (147, 493124), (172, 421449), (183, 396116), (188, 385581), (196, 369843), (244, 297087), (258, 280966), (282, 257054), (294, 246562), (301, 240828), (329, 220332), (366, 198058), (427, 169764), (516, 140483), (564, 128527), (588, 123281), (602, 120414), (658, 110166), (732, 99029), (854, 84882), (903, 80276), (987, 73444), (1204, 60207), (1281, 56588), (1316, 55083), (1708, 42441), (1806, 40138), (1974, 36722), (2021, 35868), (2107, 34404), (2303, 31476), (2562, 28294), (2623, 27636), (2867, 25284), (2989, 24252), (3612, 20069), (3948, 18361), (4042, 17934), (4214, 17202), (4606, 15738), (5124, 14147), (5246, 13818), (5734, 12642), (5978, 12126), (6063, 11956), (6321, 11468), (6909, 10492), (7869, 9212), (8084, 8967), (8428, 8601)]