1280907240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{1873}}^1$

素因数の和:2067

約数の個数: 128

約数和(自身を含む): 3966883200

約数和(自身を除く): 2685975960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 82, 120, 123, 139, 164, 205, 246, 278, 328, 410, 417, 492, 556, 615, 695, 820, 834, 984, 1112, 1230, 1390, 1640, 1668, 1873, 2085, 2460, 2780, 3336, 3746, 4170, 4920, 5560, 5619, 5699, 7492, 8340, 9365, 11238, 11398, 14984, 16680, 17097, 18730, 22476, 22796, 28095, 28495, 34194, 37460, 44952, 45592, 56190, 56990, 68388, 74920, 76793, 85485, 112380, 113980, 136776, 153586, 170970, 224760, 227960, 230379, 260347, 307172, 341940, 383965, 460758, 520694, 614344, 683880, 767930, 781041, 921516, 1041388, 1151895, 1301735, 1535860, 1562082, 1843032, 2082776, 2303790, 2603470, 3071720, 3124164, 3905205, 4607580, 5206940, 6248328, 7810410, 9215160, 10413880, 10674227, 15620820, 21348454, 31241640, 32022681, 42696908, 53371135, 64045362, 85393816, 106742270, 128090724, 160113405, 213484540, 256181448, 320226810, 426969080, 640453620, 1280907240]

約数ペア:

[(1, 1280907240), (2, 640453620), (3, 426969080), (4, 320226810), (5, 256181448), (6, 213484540), (8, 160113405), (10, 128090724), (12, 106742270), (15, 85393816), (20, 64045362), (24, 53371135), (30, 42696908), (40, 32022681), (41, 31241640), (60, 21348454), (82, 15620820), (120, 10674227), (123, 10413880), (139, 9215160), (164, 7810410), (205, 6248328), (246, 5206940), (278, 4607580), (328, 3905205), (410, 3124164), (417, 3071720), (492, 2603470), (556, 2303790), (615, 2082776), (695, 1843032), (820, 1562082), (834, 1535860), (984, 1301735), (1112, 1151895), (1230, 1041388), (1390, 921516), (1640, 781041), (1668, 767930), (1873, 683880), (2085, 614344), (2460, 520694), (2780, 460758), (3336, 383965), (3746, 341940), (4170, 307172), (4920, 260347), (5560, 230379), (5619, 227960), (5699, 224760), (7492, 170970), (8340, 153586), (9365, 136776), (11238, 113980), (11398, 112380), (14984, 85485), (16680, 76793), (17097, 74920), (18730, 68388), (22476, 56990), (22796, 56190), (28095, 45592), (28495, 44952), (34194, 37460)]