72669940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{2557}}^1$

素因数の和:2609

約数の個数: 72

約数和(自身を含む): 183715560

約数和(自身を除く): 111045620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 49, 58, 70, 98, 116, 140, 145, 196, 203, 245, 290, 406, 490, 580, 812, 980, 1015, 1421, 2030, 2557, 2842, 4060, 5114, 5684, 7105, 10228, 12785, 14210, 17899, 25570, 28420, 35798, 51140, 71596, 74153, 89495, 125293, 148306, 178990, 250586, 296612, 357980, 370765, 501172, 519071, 626465, 741530, 1038142, 1252930, 1483060, 2076284, 2505860, 2595355, 3633497, 5190710, 7266994, 10381420, 14533988, 18167485, 36334970, 72669940]

約数ペア:

[(1, 72669940), (2, 36334970), (4, 18167485), (5, 14533988), (7, 10381420), (10, 7266994), (14, 5190710), (20, 3633497), (28, 2595355), (29, 2505860), (35, 2076284), (49, 1483060), (58, 1252930), (70, 1038142), (98, 741530), (116, 626465), (140, 519071), (145, 501172), (196, 370765), (203, 357980), (245, 296612), (290, 250586), (406, 178990), (490, 148306), (580, 125293), (812, 89495), (980, 74153), (1015, 71596), (1421, 51140), (2030, 35798), (2557, 28420), (2842, 25570), (4060, 17899), (5114, 14210), (5684, 12785), (7105, 10228)]