128298840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{293}}^1$

素因数の和:437

約数の個数: 128

約数和(自身を含む): 400075200

約数和(自身を除く): 271776360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 82, 89, 120, 123, 164, 178, 205, 246, 267, 293, 328, 356, 410, 445, 492, 534, 586, 615, 712, 820, 879, 890, 984, 1068, 1172, 1230, 1335, 1465, 1640, 1758, 1780, 2136, 2344, 2460, 2670, 2930, 3516, 3560, 3649, 4395, 4920, 5340, 5860, 7032, 7298, 8790, 10680, 10947, 11720, 12013, 14596, 17580, 18245, 21894, 24026, 26077, 29192, 35160, 36039, 36490, 43788, 48052, 52154, 54735, 60065, 72078, 72980, 78231, 87576, 96104, 104308, 109470, 120130, 130385, 144156, 145960, 156462, 180195, 208616, 218940, 240260, 260770, 288312, 312924, 360390, 391155, 437880, 480520, 521540, 625848, 720780, 782310, 1043080, 1069157, 1441560, 1564620, 2138314, 3129240, 3207471, 4276628, 5345785, 6414942, 8553256, 10691570, 12829884, 16037355, 21383140, 25659768, 32074710, 42766280, 64149420, 128298840]

約数ペア:

[(1, 128298840), (2, 64149420), (3, 42766280), (4, 32074710), (5, 25659768), (6, 21383140), (8, 16037355), (10, 12829884), (12, 10691570), (15, 8553256), (20, 6414942), (24, 5345785), (30, 4276628), (40, 3207471), (41, 3129240), (60, 2138314), (82, 1564620), (89, 1441560), (120, 1069157), (123, 1043080), (164, 782310), (178, 720780), (205, 625848), (246, 521540), (267, 480520), (293, 437880), (328, 391155), (356, 360390), (410, 312924), (445, 288312), (492, 260770), (534, 240260), (586, 218940), (615, 208616), (712, 180195), (820, 156462), (879, 145960), (890, 144156), (984, 130385), (1068, 120130), (1172, 109470), (1230, 104308), (1335, 96104), (1465, 87576), (1640, 78231), (1758, 72980), (1780, 72078), (2136, 60065), (2344, 54735), (2460, 52154), (2670, 48052), (2930, 43788), (3516, 36490), (3560, 36039), (3649, 35160), (4395, 29192), (4920, 26077), (5340, 24026), (5860, 21894), (7032, 18245), (7298, 17580), (8790, 14596), (10680, 12013), (10947, 11720)]