128603440

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{619}}^1$

素因数の和:699

約数の個数: 120

約数和(自身を含む): 354954960

約数和(自身を除く): 226351520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 53, 56, 70, 80, 98, 106, 112, 140, 196, 212, 245, 265, 280, 371, 392, 424, 490, 530, 560, 619, 742, 784, 848, 980, 1060, 1238, 1484, 1855, 1960, 2120, 2476, 2597, 2968, 3095, 3710, 3920, 4240, 4333, 4952, 5194, 5936, 6190, 7420, 8666, 9904, 10388, 12380, 12985, 14840, 17332, 20776, 21665, 24760, 25970, 29680, 30331, 32807, 34664, 41552, 43330, 49520, 51940, 60662, 65614, 69328, 86660, 103880, 121324, 131228, 151655, 164035, 173320, 207760, 229649, 242648, 262456, 303310, 328070, 346640, 459298, 485296, 524912, 606620, 656140, 918596, 1148245, 1213240, 1312280, 1607543, 1837192, 2296490, 2426480, 2624560, 3215086, 3674384, 4592980, 6430172, 8037715, 9185960, 12860344, 16075430, 18371920, 25720688, 32150860, 64301720, 128603440]

約数ペア:

[(1, 128603440), (2, 64301720), (4, 32150860), (5, 25720688), (7, 18371920), (8, 16075430), (10, 12860344), (14, 9185960), (16, 8037715), (20, 6430172), (28, 4592980), (35, 3674384), (40, 3215086), (49, 2624560), (53, 2426480), (56, 2296490), (70, 1837192), (80, 1607543), (98, 1312280), (106, 1213240), (112, 1148245), (140, 918596), (196, 656140), (212, 606620), (245, 524912), (265, 485296), (280, 459298), (371, 346640), (392, 328070), (424, 303310), (490, 262456), (530, 242648), (560, 229649), (619, 207760), (742, 173320), (784, 164035), (848, 151655), (980, 131228), (1060, 121324), (1238, 103880), (1484, 86660), (1855, 69328), (1960, 65614), (2120, 60662), (2476, 51940), (2597, 49520), (2968, 43330), (3095, 41552), (3710, 34664), (3920, 32807), (4240, 30331), (4333, 29680), (4952, 25970), (5194, 24760), (5936, 21665), (6190, 20776), (7420, 17332), (8666, 14840), (9904, 12985), (10388, 12380)]