142720590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1$

素因数の和:298

約数の個数: 128

約数和(自身を含む): 383201280

約数和(自身を除く): 240480690

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 31, 38, 41, 57, 62, 82, 93, 95, 114, 123, 155, 186, 190, 197, 205, 246, 285, 310, 394, 410, 465, 570, 589, 591, 615, 779, 930, 985, 1178, 1182, 1230, 1271, 1558, 1767, 1970, 2337, 2542, 2945, 2955, 3534, 3743, 3813, 3895, 4674, 5890, 5910, 6107, 6355, 7486, 7626, 7790, 8077, 8835, 11229, 11685, 12214, 12710, 16154, 17670, 18321, 18715, 19065, 22458, 23370, 24149, 24231, 30535, 36642, 37430, 38130, 40385, 48298, 48462, 56145, 61070, 72447, 80770, 91605, 112290, 116033, 120745, 121155, 144894, 153463, 183210, 232066, 241490, 242310, 250387, 306926, 348099, 362235, 460389, 500774, 580165, 696198, 724470, 751161, 767315, 920778, 1160330, 1251935, 1502322, 1534630, 1740495, 2301945, 2503870, 3480990, 3755805, 4603890, 4757353, 7511610, 9514706, 14272059, 23786765, 28544118, 47573530, 71360295, 142720590]

約数ペア:

[(1, 142720590), (2, 71360295), (3, 47573530), (5, 28544118), (6, 23786765), (10, 14272059), (15, 9514706), (19, 7511610), (30, 4757353), (31, 4603890), (38, 3755805), (41, 3480990), (57, 2503870), (62, 2301945), (82, 1740495), (93, 1534630), (95, 1502322), (114, 1251935), (123, 1160330), (155, 920778), (186, 767315), (190, 751161), (197, 724470), (205, 696198), (246, 580165), (285, 500774), (310, 460389), (394, 362235), (410, 348099), (465, 306926), (570, 250387), (589, 242310), (591, 241490), (615, 232066), (779, 183210), (930, 153463), (985, 144894), (1178, 121155), (1182, 120745), (1230, 116033), (1271, 112290), (1558, 91605), (1767, 80770), (1970, 72447), (2337, 61070), (2542, 56145), (2945, 48462), (2955, 48298), (3534, 40385), (3743, 38130), (3813, 37430), (3895, 36642), (4674, 30535), (5890, 24231), (5910, 24149), (6107, 23370), (6355, 22458), (7486, 19065), (7626, 18715), (7790, 18321), (8077, 17670), (8835, 16154), (11229, 12710), (11685, 12214)]