72780876

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{17}}^1\times {\mathrm{809}}^1$

素因数の和:853

約数の個数: 144

約数和(自身を含む): 232696800

約数和(自身を除く): 159915924

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 27, 28, 34, 36, 42, 49, 51, 54, 63, 68, 84, 98, 102, 108, 119, 126, 147, 153, 189, 196, 204, 238, 252, 294, 306, 357, 378, 441, 459, 476, 588, 612, 714, 756, 809, 833, 882, 918, 1071, 1323, 1428, 1618, 1666, 1764, 1836, 2142, 2427, 2499, 2646, 3213, 3236, 3332, 4284, 4854, 4998, 5292, 5663, 6426, 7281, 7497, 9708, 9996, 11326, 12852, 13753, 14562, 14994, 16989, 21843, 22491, 22652, 27506, 29124, 29988, 33978, 39641, 41259, 43686, 44982, 50967, 55012, 67956, 79282, 82518, 87372, 89964, 96271, 101934, 118923, 123777, 152901, 158564, 165036, 192542, 203868, 237846, 247554, 288813, 305802, 356769, 371331, 385084, 475692, 495108, 577626, 611604, 673897, 713538, 742662, 866439, 1070307, 1155252, 1347794, 1427076, 1485324, 1732878, 2021691, 2140614, 2599317, 2695588, 3465756, 4043382, 4281228, 5198634, 6065073, 8086764, 10397268, 12130146, 18195219, 24260292, 36390438, 72780876]

約数ペア:

[(1, 72780876), (2, 36390438), (3, 24260292), (4, 18195219), (6, 12130146), (7, 10397268), (9, 8086764), (12, 6065073), (14, 5198634), (17, 4281228), (18, 4043382), (21, 3465756), (27, 2695588), (28, 2599317), (34, 2140614), (36, 2021691), (42, 1732878), (49, 1485324), (51, 1427076), (54, 1347794), (63, 1155252), (68, 1070307), (84, 866439), (98, 742662), (102, 713538), (108, 673897), (119, 611604), (126, 577626), (147, 495108), (153, 475692), (189, 385084), (196, 371331), (204, 356769), (238, 305802), (252, 288813), (294, 247554), (306, 237846), (357, 203868), (378, 192542), (441, 165036), (459, 158564), (476, 152901), (588, 123777), (612, 118923), (714, 101934), (756, 96271), (809, 89964), (833, 87372), (882, 82518), (918, 79282), (1071, 67956), (1323, 55012), (1428, 50967), (1618, 44982), (1666, 43686), (1764, 41259), (1836, 39641), (2142, 33978), (2427, 29988), (2499, 29124), (2646, 27506), (3213, 22652), (3236, 22491), (3332, 21843), (4284, 16989), (4854, 14994), (4998, 14562), (5292, 13753), (5663, 12852), (6426, 11326), (7281, 9996), (7497, 9708)]