318568380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{89}}^1\times {\mathrm{353}}^1$

素因数の和:480

約数の個数: 144

約数和(自身を含む): 979503840

約数和(自身を除く): 660935460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 89, 130, 156, 169, 178, 195, 260, 267, 338, 353, 356, 390, 445, 507, 534, 676, 706, 780, 845, 890, 1014, 1059, 1068, 1157, 1335, 1412, 1690, 1765, 1780, 2028, 2118, 2314, 2535, 2670, 3380, 3471, 3530, 4236, 4589, 4628, 5070, 5295, 5340, 5785, 6942, 7060, 9178, 10140, 10590, 11570, 13767, 13884, 15041, 17355, 18356, 21180, 22945, 23140, 27534, 30082, 31417, 34710, 45123, 45890, 55068, 59657, 60164, 62834, 68835, 69420, 75205, 90246, 91780, 94251, 119314, 125668, 137670, 150410, 157085, 178971, 180492, 188502, 225615, 238628, 275340, 298285, 300820, 314170, 357942, 377004, 408421, 451230, 471255, 596570, 628340, 715884, 816842, 894855, 902460, 942510, 1193140, 1225263, 1633684, 1789710, 1885020, 2042105, 2450526, 3579420, 4084210, 4901052, 5309473, 6126315, 8168420, 10618946, 12252630, 15928419, 21237892, 24505260, 26547365, 31856838, 53094730, 63713676, 79642095, 106189460, 159284190, 318568380]

約数ペア:

[(1, 318568380), (2, 159284190), (3, 106189460), (4, 79642095), (5, 63713676), (6, 53094730), (10, 31856838), (12, 26547365), (13, 24505260), (15, 21237892), (20, 15928419), (26, 12252630), (30, 10618946), (39, 8168420), (52, 6126315), (60, 5309473), (65, 4901052), (78, 4084210), (89, 3579420), (130, 2450526), (156, 2042105), (169, 1885020), (178, 1789710), (195, 1633684), (260, 1225263), (267, 1193140), (338, 942510), (353, 902460), (356, 894855), (390, 816842), (445, 715884), (507, 628340), (534, 596570), (676, 471255), (706, 451230), (780, 408421), (845, 377004), (890, 357942), (1014, 314170), (1059, 300820), (1068, 298285), (1157, 275340), (1335, 238628), (1412, 225615), (1690, 188502), (1765, 180492), (1780, 178971), (2028, 157085), (2118, 150410), (2314, 137670), (2535, 125668), (2670, 119314), (3380, 94251), (3471, 91780), (3530, 90246), (4236, 75205), (4589, 69420), (4628, 68835), (5070, 62834), (5295, 60164), (5340, 59657), (5785, 55068), (6942, 45890), (7060, 45123), (9178, 34710), (10140, 31417), (10590, 30082), (11570, 27534), (13767, 23140), (13884, 22945), (15041, 21180), (17355, 18356)]