661385760

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{4801}}^1$

素因数の和:4867

約数の個数: 192

約数和(自身を含む): 2439569664

約数和(自身を除く): 1778183904

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 41, 42, 48, 56, 60, 70, 80, 82, 84, 96, 105, 112, 120, 123, 140, 160, 164, 168, 205, 210, 224, 240, 246, 280, 287, 328, 336, 410, 420, 480, 492, 560, 574, 615, 656, 672, 820, 840, 861, 984, 1120, 1148, 1230, 1312, 1435, 1640, 1680, 1722, 1968, 2296, 2460, 2870, 3280, 3360, 3444, 3936, 4305, 4592, 4801, 4920, 5740, 6560, 6888, 8610, 9184, 9602, 9840, 11480, 13776, 14403, 17220, 19204, 19680, 22960, 24005, 27552, 28806, 33607, 34440, 38408, 45920, 48010, 57612, 67214, 68880, 72015, 76816, 96020, 100821, 115224, 134428, 137760, 144030, 153632, 168035, 192040, 196841, 201642, 230448, 268856, 288060, 336070, 384080, 393682, 403284, 460896, 504105, 537712, 576120, 590523, 672140, 768160, 787364, 806568, 984205, 1008210, 1075424, 1152240, 1181046, 1344280, 1377887, 1574728, 1613136, 1968410, 2016420, 2304480, 2362092, 2688560, 2755774, 2952615, 3149456, 3226272, 3936820, 4032840, 4133661, 4724184, 5377120, 5511548, 5905230, 6298912, 6889435, 7873640, 8065680, 8267322, 9448368, 11023096, 11810460, 13778870, 15747280, 16131360, 16534644, 18896736, 20668305, 22046192, 23620920, 27557740, 31494560, 33069288, 41336610, 44092384, 47241840, 55115480, 66138576, 82673220, 94483680, 110230960, 132277152, 165346440, 220461920, 330692880, 661385760]

約数ペア:

[(1, 661385760), (2, 330692880), (3, 220461920), (4, 165346440), (5, 132277152), (6, 110230960), (7, 94483680), (8, 82673220), (10, 66138576), (12, 55115480), (14, 47241840), (15, 44092384), (16, 41336610), (20, 33069288), (21, 31494560), (24, 27557740), (28, 23620920), (30, 22046192), (32, 20668305), (35, 18896736), (40, 16534644), (41, 16131360), (42, 15747280), (48, 13778870), (56, 11810460), (60, 11023096), (70, 9448368), (80, 8267322), (82, 8065680), (84, 7873640), (96, 6889435), (105, 6298912), (112, 5905230), (120, 5511548), (123, 5377120), (140, 4724184), (160, 4133661), (164, 4032840), (168, 3936820), (205, 3226272), (210, 3149456), (224, 2952615), (240, 2755774), (246, 2688560), (280, 2362092), (287, 2304480), (328, 2016420), (336, 1968410), (410, 1613136), (420, 1574728), (480, 1377887), (492, 1344280), (560, 1181046), (574, 1152240), (615, 1075424), (656, 1008210), (672, 984205), (820, 806568), (840, 787364), (861, 768160), (984, 672140), (1120, 590523), (1148, 576120), (1230, 537712), (1312, 504105), (1435, 460896), (1640, 403284), (1680, 393682), (1722, 384080), (1968, 336070), (2296, 288060), (2460, 268856), (2870, 230448), (3280, 201642), (3360, 196841), (3444, 192040), (3936, 168035), (4305, 153632), (4592, 144030), (4801, 137760), (4920, 134428), (5740, 115224), (6560, 100821), (6888, 96020), (8610, 76816), (9184, 72015), (9602, 68880), (9840, 67214), (11480, 57612), (13776, 48010), (14403, 45920), (17220, 38408), (19204, 34440), (19680, 33607), (22960, 28806), (24005, 27552)]