31922940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{263}}^1$

素因数の和:316

約数の個数: 144

約数和(自身を含む): 108928512

約数和(自身を除く): 77005572

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 68, 70, 84, 85, 102, 105, 119, 140, 170, 204, 210, 238, 255, 263, 289, 340, 357, 420, 476, 510, 526, 578, 595, 714, 789, 867, 1020, 1052, 1156, 1190, 1315, 1428, 1445, 1578, 1734, 1785, 1841, 2023, 2380, 2630, 2890, 3156, 3468, 3570, 3682, 3945, 4046, 4335, 4471, 5260, 5523, 5780, 6069, 7140, 7364, 7890, 8092, 8670, 8942, 9205, 10115, 11046, 12138, 13413, 15780, 17340, 17884, 18410, 20230, 22092, 22355, 24276, 26826, 27615, 30345, 31297, 36820, 40460, 44710, 53652, 55230, 60690, 62594, 67065, 76007, 89420, 93891, 110460, 121380, 125188, 134130, 152014, 156485, 187782, 228021, 268260, 304028, 312970, 375564, 380035, 456042, 469455, 532049, 625940, 760070, 912084, 938910, 1064098, 1140105, 1520140, 1596147, 1877820, 2128196, 2280210, 2660245, 3192294, 4560420, 5320490, 6384588, 7980735, 10640980, 15961470, 31922940]

約数ペア:

[(1, 31922940), (2, 15961470), (3, 10640980), (4, 7980735), (5, 6384588), (6, 5320490), (7, 4560420), (10, 3192294), (12, 2660245), (14, 2280210), (15, 2128196), (17, 1877820), (20, 1596147), (21, 1520140), (28, 1140105), (30, 1064098), (34, 938910), (35, 912084), (42, 760070), (51, 625940), (60, 532049), (68, 469455), (70, 456042), (84, 380035), (85, 375564), (102, 312970), (105, 304028), (119, 268260), (140, 228021), (170, 187782), (204, 156485), (210, 152014), (238, 134130), (255, 125188), (263, 121380), (289, 110460), (340, 93891), (357, 89420), (420, 76007), (476, 67065), (510, 62594), (526, 60690), (578, 55230), (595, 53652), (714, 44710), (789, 40460), (867, 36820), (1020, 31297), (1052, 30345), (1156, 27615), (1190, 26826), (1315, 24276), (1428, 22355), (1445, 22092), (1578, 20230), (1734, 18410), (1785, 17884), (1841, 17340), (2023, 15780), (2380, 13413), (2630, 12138), (2890, 11046), (3156, 10115), (3468, 9205), (3570, 8942), (3682, 8670), (3945, 8092), (4046, 7890), (4335, 7364), (4471, 7140), (5260, 6069), (5523, 5780)]