215144520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{401}}^1$

素因数の和:695

約数の個数: 128

約数和(自身を含む): 687709440

約数和(自身を除く): 472564920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 263, 340, 401, 408, 510, 526, 680, 789, 802, 1020, 1052, 1203, 1315, 1578, 1604, 2005, 2040, 2104, 2406, 2630, 3156, 3208, 3945, 4010, 4471, 4812, 5260, 6015, 6312, 6817, 7890, 8020, 8942, 9624, 10520, 12030, 13413, 13634, 15780, 16040, 17884, 20451, 22355, 24060, 26826, 27268, 31560, 34085, 35768, 40902, 44710, 48120, 53652, 54536, 67065, 68170, 81804, 89420, 102255, 105463, 107304, 134130, 136340, 163608, 178840, 204510, 210926, 268260, 272680, 316389, 409020, 421852, 527315, 536520, 632778, 818040, 843704, 1054630, 1265556, 1581945, 1792871, 2109260, 2531112, 3163890, 3585742, 4218520, 5378613, 6327780, 7171484, 8964355, 10757226, 12655560, 14342968, 17928710, 21514452, 26893065, 35857420, 43028904, 53786130, 71714840, 107572260, 215144520]

約数ペア:

[(1, 215144520), (2, 107572260), (3, 71714840), (4, 53786130), (5, 43028904), (6, 35857420), (8, 26893065), (10, 21514452), (12, 17928710), (15, 14342968), (17, 12655560), (20, 10757226), (24, 8964355), (30, 7171484), (34, 6327780), (40, 5378613), (51, 4218520), (60, 3585742), (68, 3163890), (85, 2531112), (102, 2109260), (120, 1792871), (136, 1581945), (170, 1265556), (204, 1054630), (255, 843704), (263, 818040), (340, 632778), (401, 536520), (408, 527315), (510, 421852), (526, 409020), (680, 316389), (789, 272680), (802, 268260), (1020, 210926), (1052, 204510), (1203, 178840), (1315, 163608), (1578, 136340), (1604, 134130), (2005, 107304), (2040, 105463), (2104, 102255), (2406, 89420), (2630, 81804), (3156, 68170), (3208, 67065), (3945, 54536), (4010, 53652), (4471, 48120), (4812, 44710), (5260, 40902), (6015, 35768), (6312, 34085), (6817, 31560), (7890, 27268), (8020, 26826), (8942, 24060), (9624, 22355), (10520, 20451), (12030, 17884), (13413, 16040), (13634, 15780)]