78446120

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1543}}^1$

素因数の和:1626

約数の個数: 64

約数和(自身を含む): 186762240

約数和(自身を除く): 108316120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 41, 62, 82, 124, 155, 164, 205, 248, 310, 328, 410, 620, 820, 1240, 1271, 1543, 1640, 2542, 3086, 5084, 6172, 6355, 7715, 10168, 12344, 12710, 15430, 25420, 30860, 47833, 50840, 61720, 63263, 95666, 126526, 191332, 239165, 253052, 316315, 382664, 478330, 506104, 632630, 956660, 1265260, 1913320, 1961153, 2530520, 3922306, 7844612, 9805765, 15689224, 19611530, 39223060, 78446120]

約数ペア:

[(1, 78446120), (2, 39223060), (4, 19611530), (5, 15689224), (8, 9805765), (10, 7844612), (20, 3922306), (31, 2530520), (40, 1961153), (41, 1913320), (62, 1265260), (82, 956660), (124, 632630), (155, 506104), (164, 478330), (205, 382664), (248, 316315), (310, 253052), (328, 239165), (410, 191332), (620, 126526), (820, 95666), (1240, 63263), (1271, 61720), (1543, 50840), (1640, 47833), (2542, 30860), (3086, 25420), (5084, 15430), (6172, 12710), (6355, 12344), (7715, 10168)]