128672940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1$

素因数の和:404

約数の個数: 192

約数和(自身を含む): 428359680

約数和(自身を除く): 299686740

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 19, 20, 22, 30, 31, 33, 38, 44, 55, 57, 60, 62, 66, 76, 93, 95, 110, 114, 124, 132, 155, 165, 186, 190, 209, 220, 228, 285, 310, 330, 331, 341, 372, 380, 418, 465, 570, 589, 620, 627, 660, 662, 682, 836, 930, 993, 1023, 1045, 1140, 1178, 1254, 1324, 1364, 1655, 1705, 1767, 1860, 1986, 2046, 2090, 2356, 2508, 2945, 3135, 3310, 3410, 3534, 3641, 3972, 4092, 4180, 4965, 5115, 5890, 6270, 6289, 6479, 6620, 6820, 7068, 7282, 8835, 9930, 10230, 10261, 10923, 11780, 12540, 12578, 12958, 14564, 17670, 18205, 18867, 19437, 19860, 20460, 20522, 21846, 25156, 25916, 30783, 31445, 32395, 35340, 36410, 37734, 38874, 41044, 43692, 51305, 54615, 61566, 62890, 64790, 69179, 72820, 75468, 77748, 94335, 97185, 102610, 109230, 112871, 123132, 125780, 129580, 138358, 153915, 188670, 194370, 194959, 205220, 207537, 218460, 225742, 276716, 307830, 338613, 345895, 377340, 388740, 389918, 415074, 451484, 564355, 584877, 615660, 677226, 691790, 779836, 830148, 974795, 1037685, 1128710, 1169754, 1354452, 1383580, 1693065, 1949590, 2075370, 2144549, 2257420, 2339508, 2924385, 3386130, 3899180, 4150740, 4289098, 5848770, 6433647, 6772260, 8578196, 10722745, 11697540, 12867294, 21445490, 25734588, 32168235, 42890980, 64336470, 128672940]

約数ペア:

[(1, 128672940), (2, 64336470), (3, 42890980), (4, 32168235), (5, 25734588), (6, 21445490), (10, 12867294), (11, 11697540), (12, 10722745), (15, 8578196), (19, 6772260), (20, 6433647), (22, 5848770), (30, 4289098), (31, 4150740), (33, 3899180), (38, 3386130), (44, 2924385), (55, 2339508), (57, 2257420), (60, 2144549), (62, 2075370), (66, 1949590), (76, 1693065), (93, 1383580), (95, 1354452), (110, 1169754), (114, 1128710), (124, 1037685), (132, 974795), (155, 830148), (165, 779836), (186, 691790), (190, 677226), (209, 615660), (220, 584877), (228, 564355), (285, 451484), (310, 415074), (330, 389918), (331, 388740), (341, 377340), (372, 345895), (380, 338613), (418, 307830), (465, 276716), (570, 225742), (589, 218460), (620, 207537), (627, 205220), (660, 194959), (662, 194370), (682, 188670), (836, 153915), (930, 138358), (993, 129580), (1023, 125780), (1045, 123132), (1140, 112871), (1178, 109230), (1254, 102610), (1324, 97185), (1364, 94335), (1655, 77748), (1705, 75468), (1767, 72820), (1860, 69179), (1986, 64790), (2046, 62890), (2090, 61566), (2356, 54615), (2508, 51305), (2945, 43692), (3135, 41044), (3310, 38874), (3410, 37734), (3534, 36410), (3641, 35340), (3972, 32395), (4092, 31445), (4180, 30783), (4965, 25916), (5115, 25156), (5890, 21846), (6270, 20522), (6289, 20460), (6479, 19860), (6620, 19437), (6820, 18867), (7068, 18205), (7282, 17670), (8835, 14564), (9930, 12958), (10230, 12578), (10261, 12540), (10923, 11780)]