20702979270

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{28729}}^1$

素因数の和:28919

約数の個数: 128

約数和(自身を含む): 58829846400

約数和(自身を除く): 38126867130

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 27, 30, 34, 45, 51, 54, 85, 90, 102, 135, 153, 157, 170, 255, 270, 306, 314, 459, 471, 510, 765, 785, 918, 942, 1413, 1530, 1570, 2295, 2355, 2669, 2826, 4239, 4590, 4710, 5338, 7065, 8007, 8478, 13345, 14130, 16014, 21195, 24021, 26690, 28729, 40035, 42390, 48042, 57458, 72063, 80070, 86187, 120105, 143645, 144126, 172374, 240210, 258561, 287290, 360315, 430935, 488393, 517122, 720630, 775683, 861870, 976786, 1292805, 1465179, 1551366, 2441965, 2585610, 2930358, 3878415, 4395537, 4510453, 4883930, 7325895, 7756830, 8791074, 9020906, 13186611, 13531359, 14651790, 21977685, 22552265, 26373222, 27062718, 40594077, 43955370, 45104530, 65933055, 67656795, 76677701, 81188154, 121782231, 131866110, 135313590, 153355402, 202970385, 230033103, 243564462, 383388505, 405940770, 460066206, 608911155, 690099309, 766777010, 1150165515, 1217822310, 1380198618, 2070297927, 2300331030, 3450496545, 4140595854, 6900993090, 10351489635, 20702979270]

約数ペア:

[(1, 20702979270), (2, 10351489635), (3, 6900993090), (5, 4140595854), (6, 3450496545), (9, 2300331030), (10, 2070297927), (15, 1380198618), (17, 1217822310), (18, 1150165515), (27, 766777010), (30, 690099309), (34, 608911155), (45, 460066206), (51, 405940770), (54, 383388505), (85, 243564462), (90, 230033103), (102, 202970385), (135, 153355402), (153, 135313590), (157, 131866110), (170, 121782231), (255, 81188154), (270, 76677701), (306, 67656795), (314, 65933055), (459, 45104530), (471, 43955370), (510, 40594077), (765, 27062718), (785, 26373222), (918, 22552265), (942, 21977685), (1413, 14651790), (1530, 13531359), (1570, 13186611), (2295, 9020906), (2355, 8791074), (2669, 7756830), (2826, 7325895), (4239, 4883930), (4590, 4510453), (4710, 4395537), (5338, 3878415), (7065, 2930358), (8007, 2585610), (8478, 2441965), (13345, 1551366), (14130, 1465179), (16014, 1292805), (21195, 976786), (24021, 861870), (26690, 775683), (28729, 720630), (40035, 517122), (42390, 488393), (48042, 430935), (57458, 360315), (72063, 287290), (80070, 258561), (86187, 240210), (120105, 172374), (143645, 144126)]