71682520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{419}}^1$

素因数の和:497

約数の個数: 128

約数和(自身を含む): 203212800

約数和(自身を除く): 131530280

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 47, 52, 56, 65, 70, 91, 94, 104, 130, 140, 182, 188, 235, 260, 280, 329, 364, 376, 419, 455, 470, 520, 611, 658, 728, 838, 910, 940, 1222, 1316, 1645, 1676, 1820, 1880, 2095, 2444, 2632, 2933, 3055, 3290, 3352, 3640, 4190, 4277, 4888, 5447, 5866, 6110, 6580, 8380, 8554, 10894, 11732, 12220, 13160, 14665, 16760, 17108, 19693, 21385, 21788, 23464, 24440, 27235, 29330, 34216, 38129, 39386, 42770, 43576, 54470, 58660, 76258, 78772, 85540, 98465, 108940, 117320, 137851, 152516, 157544, 171080, 190645, 196930, 217880, 256009, 275702, 305032, 381290, 393860, 512018, 551404, 689255, 762580, 787720, 1024036, 1102808, 1280045, 1378510, 1525160, 1792063, 2048072, 2560090, 2757020, 3584126, 5120180, 5514040, 7168252, 8960315, 10240360, 14336504, 17920630, 35841260, 71682520]

約数ペア:

[(1, 71682520), (2, 35841260), (4, 17920630), (5, 14336504), (7, 10240360), (8, 8960315), (10, 7168252), (13, 5514040), (14, 5120180), (20, 3584126), (26, 2757020), (28, 2560090), (35, 2048072), (40, 1792063), (47, 1525160), (52, 1378510), (56, 1280045), (65, 1102808), (70, 1024036), (91, 787720), (94, 762580), (104, 689255), (130, 551404), (140, 512018), (182, 393860), (188, 381290), (235, 305032), (260, 275702), (280, 256009), (329, 217880), (364, 196930), (376, 190645), (419, 171080), (455, 157544), (470, 152516), (520, 137851), (611, 117320), (658, 108940), (728, 98465), (838, 85540), (910, 78772), (940, 76258), (1222, 58660), (1316, 54470), (1645, 43576), (1676, 42770), (1820, 39386), (1880, 38129), (2095, 34216), (2444, 29330), (2632, 27235), (2933, 24440), (3055, 23464), (3290, 21788), (3352, 21385), (3640, 19693), (4190, 17108), (4277, 16760), (4888, 14665), (5447, 13160), (5866, 12220), (6110, 11732), (6580, 10894), (8380, 8554)]