64894310

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:142

約数の個数: 96

約数和(自身を含む): 139138560

約数和(自身を除く): 74244250

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 43, 47, 65, 86, 94, 95, 130, 169, 190, 215, 235, 247, 338, 430, 470, 494, 559, 611, 817, 845, 893, 1118, 1222, 1235, 1634, 1690, 1786, 2021, 2470, 2795, 3055, 3211, 4042, 4085, 4465, 5590, 6110, 6422, 7267, 7943, 8170, 8930, 10105, 10621, 11609, 14534, 15886, 16055, 20210, 21242, 23218, 26273, 32110, 36335, 38399, 39715, 52546, 53105, 58045, 72670, 76798, 79430, 106210, 116090, 131365, 138073, 150917, 191995, 262730, 276146, 301834, 341549, 383990, 499187, 683098, 690365, 754585, 998374, 1380730, 1509170, 1707745, 2495935, 3415490, 4991870, 6489431, 12978862, 32447155, 64894310]

約数ペア:

[(1, 64894310), (2, 32447155), (5, 12978862), (10, 6489431), (13, 4991870), (19, 3415490), (26, 2495935), (38, 1707745), (43, 1509170), (47, 1380730), (65, 998374), (86, 754585), (94, 690365), (95, 683098), (130, 499187), (169, 383990), (190, 341549), (215, 301834), (235, 276146), (247, 262730), (338, 191995), (430, 150917), (470, 138073), (494, 131365), (559, 116090), (611, 106210), (817, 79430), (845, 76798), (893, 72670), (1118, 58045), (1222, 53105), (1235, 52546), (1634, 39715), (1690, 38399), (1786, 36335), (2021, 32110), (2470, 26273), (2795, 23218), (3055, 21242), (3211, 20210), (4042, 16055), (4085, 15886), (4465, 14534), (5590, 11609), (6110, 10621), (6422, 10105), (7267, 8930), (7943, 8170)]