1215528730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{12791}}^1$

素因数の和:12871

約数の個数: 64

約数和(自身を含む): 2553078528

約数和(自身を除く): 1337549798

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 43, 65, 85, 86, 130, 170, 215, 221, 430, 442, 559, 731, 1105, 1118, 1462, 2210, 2795, 3655, 5590, 7310, 9503, 12791, 19006, 25582, 47515, 63955, 95030, 127910, 166283, 217447, 332566, 434894, 550013, 831415, 1087235, 1100026, 1662830, 2174470, 2750065, 2826811, 5500130, 5653622, 7150169, 9350221, 14134055, 14300338, 18700442, 28268110, 35750845, 46751105, 71501690, 93502210, 121552873, 243105746, 607764365, 1215528730]

約数ペア:

[(1, 1215528730), (2, 607764365), (5, 243105746), (10, 121552873), (13, 93502210), (17, 71501690), (26, 46751105), (34, 35750845), (43, 28268110), (65, 18700442), (85, 14300338), (86, 14134055), (130, 9350221), (170, 7150169), (215, 5653622), (221, 5500130), (430, 2826811), (442, 2750065), (559, 2174470), (731, 1662830), (1105, 1100026), (1118, 1087235), (1462, 831415), (2210, 550013), (2795, 434894), (3655, 332566), (5590, 217447), (7310, 166283), (9503, 127910), (12791, 95030), (19006, 63955), (25582, 47515)]