78341940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{22907}}^1$

素因数の和:22941

約数の個数: 72

約数和(自身を含む): 250155360

約数和(自身を除く): 171813420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 22907, 45814, 68721, 91628, 114535, 137442, 206163, 229070, 274884, 343605, 412326, 435233, 458140, 687210, 824652, 870466, 1030815, 1305699, 1374420, 1740932, 2061630, 2176165, 2611398, 3917097, 4123260, 4352330, 5222796, 6528495, 7834194, 8704660, 13056990, 15668388, 19585485, 26113980, 39170970, 78341940]

約数ペア:

[(1, 78341940), (2, 39170970), (3, 26113980), (4, 19585485), (5, 15668388), (6, 13056990), (9, 8704660), (10, 7834194), (12, 6528495), (15, 5222796), (18, 4352330), (19, 4123260), (20, 3917097), (30, 2611398), (36, 2176165), (38, 2061630), (45, 1740932), (57, 1374420), (60, 1305699), (76, 1030815), (90, 870466), (95, 824652), (114, 687210), (171, 458140), (180, 435233), (190, 412326), (228, 343605), (285, 274884), (342, 229070), (380, 206163), (570, 137442), (684, 114535), (855, 91628), (1140, 68721), (1710, 45814), (3420, 22907)]