72947628

素因数分解:

$2^2\times 3^5\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{251}}^1$

素因数の和:306

約数の個数: 144

約数和(自身を含む): 215744256

約数和(自身を除く): 142796628

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 23, 26, 27, 36, 39, 46, 52, 54, 69, 78, 81, 92, 108, 117, 138, 156, 162, 207, 234, 243, 251, 276, 299, 324, 351, 414, 468, 486, 502, 598, 621, 702, 753, 828, 897, 972, 1004, 1053, 1196, 1242, 1404, 1506, 1794, 1863, 2106, 2259, 2484, 2691, 3012, 3159, 3263, 3588, 3726, 4212, 4518, 5382, 5589, 5773, 6318, 6526, 6777, 7452, 8073, 9036, 9789, 10764, 11178, 11546, 12636, 13052, 13554, 16146, 17319, 19578, 20331, 22356, 23092, 24219, 27108, 29367, 32292, 34638, 39156, 40662, 48438, 51957, 58734, 60993, 69276, 72657, 75049, 81324, 88101, 96876, 103914, 117468, 121986, 145314, 150098, 155871, 176202, 207828, 225147, 243972, 264303, 290628, 300196, 311742, 352404, 450294, 467613, 528606, 623484, 675441, 792909, 900588, 935226, 1057212, 1350882, 1402839, 1585818, 1870452, 2026323, 2701764, 2805678, 3171636, 4052646, 5611356, 6078969, 8105292, 12157938, 18236907, 24315876, 36473814, 72947628]

約数ペア:

[(1, 72947628), (2, 36473814), (3, 24315876), (4, 18236907), (6, 12157938), (9, 8105292), (12, 6078969), (13, 5611356), (18, 4052646), (23, 3171636), (26, 2805678), (27, 2701764), (36, 2026323), (39, 1870452), (46, 1585818), (52, 1402839), (54, 1350882), (69, 1057212), (78, 935226), (81, 900588), (92, 792909), (108, 675441), (117, 623484), (138, 528606), (156, 467613), (162, 450294), (207, 352404), (234, 311742), (243, 300196), (251, 290628), (276, 264303), (299, 243972), (324, 225147), (351, 207828), (414, 176202), (468, 155871), (486, 150098), (502, 145314), (598, 121986), (621, 117468), (702, 103914), (753, 96876), (828, 88101), (897, 81324), (972, 75049), (1004, 72657), (1053, 69276), (1196, 60993), (1242, 58734), (1404, 51957), (1506, 48438), (1794, 40662), (1863, 39156), (2106, 34638), (2259, 32292), (2484, 29367), (2691, 27108), (3012, 24219), (3159, 23092), (3263, 22356), (3588, 20331), (3726, 19578), (4212, 17319), (4518, 16146), (5382, 13554), (5589, 13052), (5773, 12636), (6318, 11546), (6526, 11178), (6777, 10764), (7452, 9789), (8073, 9036)]