131718210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19867}}^1$

素因数の和:19907

約数の個数: 64

約数和(自身を含む): 360484992

約数和(自身を除く): 228766782

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 30, 34, 39, 51, 65, 78, 85, 102, 130, 170, 195, 221, 255, 390, 442, 510, 663, 1105, 1326, 2210, 3315, 6630, 19867, 39734, 59601, 99335, 119202, 198670, 258271, 298005, 337739, 516542, 596010, 675478, 774813, 1013217, 1291355, 1549626, 1688695, 2026434, 2582710, 3377390, 3874065, 4390607, 5066085, 7748130, 8781214, 10132170, 13171821, 21953035, 26343642, 43906070, 65859105, 131718210]

約数ペア:

[(1, 131718210), (2, 65859105), (3, 43906070), (5, 26343642), (6, 21953035), (10, 13171821), (13, 10132170), (15, 8781214), (17, 7748130), (26, 5066085), (30, 4390607), (34, 3874065), (39, 3377390), (51, 2582710), (65, 2026434), (78, 1688695), (85, 1549626), (102, 1291355), (130, 1013217), (170, 774813), (195, 675478), (221, 596010), (255, 516542), (390, 337739), (442, 298005), (510, 258271), (663, 198670), (1105, 119202), (1326, 99335), (2210, 59601), (3315, 39734), (6630, 19867)]