72438870

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1$

素因数の和:334

約数の個数: 128

約数和(自身を含む): 213497856

約数和(自身を除く): 141058986

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 17, 21, 30, 34, 35, 42, 51, 70, 85, 102, 103, 105, 119, 170, 197, 206, 210, 238, 255, 309, 357, 394, 510, 515, 591, 595, 618, 714, 721, 985, 1030, 1182, 1190, 1379, 1442, 1545, 1751, 1785, 1970, 2163, 2758, 2955, 3090, 3349, 3502, 3570, 3605, 4137, 4326, 5253, 5910, 6698, 6895, 7210, 8274, 8755, 10047, 10506, 10815, 12257, 13790, 16745, 17510, 20094, 20291, 20685, 21630, 23443, 24514, 26265, 33490, 36771, 40582, 41370, 46886, 50235, 52530, 60873, 61285, 70329, 73542, 100470, 101455, 117215, 121746, 122570, 140658, 142037, 183855, 202910, 234430, 284074, 304365, 344947, 351645, 367710, 426111, 608730, 689894, 703290, 710185, 852222, 1034841, 1420370, 1724735, 2069682, 2130555, 2414629, 3449470, 4261110, 4829258, 5174205, 7243887, 10348410, 12073145, 14487774, 24146290, 36219435, 72438870]

約数ペア:

[(1, 72438870), (2, 36219435), (3, 24146290), (5, 14487774), (6, 12073145), (7, 10348410), (10, 7243887), (14, 5174205), (15, 4829258), (17, 4261110), (21, 3449470), (30, 2414629), (34, 2130555), (35, 2069682), (42, 1724735), (51, 1420370), (70, 1034841), (85, 852222), (102, 710185), (103, 703290), (105, 689894), (119, 608730), (170, 426111), (197, 367710), (206, 351645), (210, 344947), (238, 304365), (255, 284074), (309, 234430), (357, 202910), (394, 183855), (510, 142037), (515, 140658), (591, 122570), (595, 121746), (618, 117215), (714, 101455), (721, 100470), (985, 73542), (1030, 70329), (1182, 61285), (1190, 60873), (1379, 52530), (1442, 50235), (1545, 46886), (1751, 41370), (1785, 40582), (1970, 36771), (2163, 33490), (2758, 26265), (2955, 24514), (3090, 23443), (3349, 21630), (3502, 20685), (3570, 20291), (3605, 20094), (4137, 17510), (4326, 16745), (5253, 13790), (5910, 12257), (6698, 10815), (6895, 10506), (7210, 10047), (8274, 8755)]