72168876

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1$

素因数の和:280

約数の個数: 144

約数和(自身を含む): 213542784

約数和(自身を除く): 141373908

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 34, 36, 39, 47, 51, 52, 68, 78, 94, 102, 117, 141, 153, 156, 188, 193, 204, 221, 234, 282, 306, 386, 423, 442, 468, 564, 579, 611, 612, 663, 772, 799, 846, 884, 1158, 1222, 1326, 1598, 1692, 1737, 1833, 1989, 2316, 2397, 2444, 2509, 2652, 3196, 3281, 3474, 3666, 3978, 4794, 5018, 5499, 6562, 6948, 7191, 7332, 7527, 7956, 9071, 9588, 9843, 10036, 10387, 10998, 13124, 14382, 15054, 18142, 19686, 20774, 21996, 22581, 27213, 28764, 29529, 30108, 31161, 36284, 39372, 41548, 42653, 45162, 54426, 59058, 62322, 81639, 85306, 90324, 93483, 108852, 117923, 118116, 124644, 127959, 154207, 163278, 170612, 186966, 235846, 255918, 308414, 326556, 353769, 373932, 383877, 462621, 471692, 511836, 616828, 707538, 767754, 925242, 1061307, 1387863, 1415076, 1535508, 1850484, 2004691, 2122614, 2775726, 4009382, 4245228, 5551452, 6014073, 8018764, 12028146, 18042219, 24056292, 36084438, 72168876]

約数ペア:

[(1, 72168876), (2, 36084438), (3, 24056292), (4, 18042219), (6, 12028146), (9, 8018764), (12, 6014073), (13, 5551452), (17, 4245228), (18, 4009382), (26, 2775726), (34, 2122614), (36, 2004691), (39, 1850484), (47, 1535508), (51, 1415076), (52, 1387863), (68, 1061307), (78, 925242), (94, 767754), (102, 707538), (117, 616828), (141, 511836), (153, 471692), (156, 462621), (188, 383877), (193, 373932), (204, 353769), (221, 326556), (234, 308414), (282, 255918), (306, 235846), (386, 186966), (423, 170612), (442, 163278), (468, 154207), (564, 127959), (579, 124644), (611, 118116), (612, 117923), (663, 108852), (772, 93483), (799, 90324), (846, 85306), (884, 81639), (1158, 62322), (1222, 59058), (1326, 54426), (1598, 45162), (1692, 42653), (1737, 41548), (1833, 39372), (1989, 36284), (2316, 31161), (2397, 30108), (2444, 29529), (2509, 28764), (2652, 27213), (3196, 22581), (3281, 21996), (3474, 20774), (3666, 19686), (3978, 18142), (4794, 15054), (5018, 14382), (5499, 13124), (6562, 10998), (6948, 10387), (7191, 10036), (7332, 9843), (7527, 9588), (7956, 9071)]