78520020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{8783}}^1$

素因数の和:8944

約数の個数: 48

約数和(自身を含む): 221356800

約数和(自身を除く): 142836780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 149, 298, 447, 596, 745, 894, 1490, 1788, 2235, 2980, 4470, 8783, 8940, 17566, 26349, 35132, 43915, 52698, 87830, 105396, 131745, 175660, 263490, 526980, 1308667, 2617334, 3926001, 5234668, 6543335, 7852002, 13086670, 15704004, 19630005, 26173340, 39260010, 78520020]

約数ペア:

[(1, 78520020), (2, 39260010), (3, 26173340), (4, 19630005), (5, 15704004), (6, 13086670), (10, 7852002), (12, 6543335), (15, 5234668), (20, 3926001), (30, 2617334), (60, 1308667), (149, 526980), (298, 263490), (447, 175660), (596, 131745), (745, 105396), (894, 87830), (1490, 52698), (1788, 43915), (2235, 35132), (2980, 26349), (4470, 17566), (8783, 8940)]