78788220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1259}}^1$

素因数の和:1427

約数の個数: 96

約数和(自身を含む): 254016000

約数和(自身を除く): 175227780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 149, 210, 298, 420, 447, 596, 745, 894, 1043, 1259, 1490, 1788, 2086, 2235, 2518, 2980, 3129, 3777, 4172, 4470, 5036, 5215, 6258, 6295, 7554, 8813, 8940, 10430, 12516, 12590, 15108, 15645, 17626, 18885, 20860, 25180, 26439, 31290, 35252, 37770, 44065, 52878, 62580, 75540, 88130, 105756, 132195, 176260, 187591, 264390, 375182, 528780, 562773, 750364, 937955, 1125546, 1313137, 1875910, 2251092, 2626274, 2813865, 3751820, 3939411, 5252548, 5627730, 6565685, 7878822, 11255460, 13131370, 15757644, 19697055, 26262740, 39394110, 78788220]

約数ペア:

[(1, 78788220), (2, 39394110), (3, 26262740), (4, 19697055), (5, 15757644), (6, 13131370), (7, 11255460), (10, 7878822), (12, 6565685), (14, 5627730), (15, 5252548), (20, 3939411), (21, 3751820), (28, 2813865), (30, 2626274), (35, 2251092), (42, 1875910), (60, 1313137), (70, 1125546), (84, 937955), (105, 750364), (140, 562773), (149, 528780), (210, 375182), (298, 264390), (420, 187591), (447, 176260), (596, 132195), (745, 105756), (894, 88130), (1043, 75540), (1259, 62580), (1490, 52878), (1788, 44065), (2086, 37770), (2235, 35252), (2518, 31290), (2980, 26439), (3129, 25180), (3777, 20860), (4172, 18885), (4470, 17626), (5036, 15645), (5215, 15108), (6258, 12590), (6295, 12516), (7554, 10430), (8813, 8940)]