221382160

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:209

約数の個数: 160

約数和(自身を含む): 578534400

約数和(自身を除く): 357152240

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 34, 40, 59, 62, 68, 80, 85, 89, 118, 124, 136, 155, 170, 178, 236, 248, 272, 295, 310, 340, 356, 445, 472, 496, 527, 590, 620, 680, 712, 890, 944, 1003, 1054, 1180, 1240, 1360, 1424, 1513, 1780, 1829, 2006, 2108, 2360, 2480, 2635, 2759, 3026, 3560, 3658, 4012, 4216, 4720, 5015, 5251, 5270, 5518, 6052, 7120, 7316, 7565, 8024, 8432, 9145, 10030, 10502, 10540, 11036, 12104, 13795, 14632, 15130, 16048, 18290, 20060, 21004, 21080, 22072, 24208, 26255, 27590, 29264, 30260, 31093, 36580, 40120, 42008, 42160, 44144, 46903, 52510, 55180, 60520, 62186, 73160, 80240, 84016, 89267, 93806, 105020, 110360, 121040, 124372, 146320, 155465, 162781, 178534, 187612, 210040, 220720, 234515, 248744, 310930, 325562, 357068, 375224, 420080, 446335, 469030, 497488, 621860, 651124, 714136, 750448, 813905, 892670, 938060, 1243720, 1302248, 1428272, 1627810, 1785340, 1876120, 2487440, 2604496, 2767277, 3255620, 3570680, 3752240, 5534554, 6511240, 7141360, 11069108, 13022480, 13836385, 22138216, 27672770, 44276432, 55345540, 110691080, 221382160]

約数ペア:

[(1, 221382160), (2, 110691080), (4, 55345540), (5, 44276432), (8, 27672770), (10, 22138216), (16, 13836385), (17, 13022480), (20, 11069108), (31, 7141360), (34, 6511240), (40, 5534554), (59, 3752240), (62, 3570680), (68, 3255620), (80, 2767277), (85, 2604496), (89, 2487440), (118, 1876120), (124, 1785340), (136, 1627810), (155, 1428272), (170, 1302248), (178, 1243720), (236, 938060), (248, 892670), (272, 813905), (295, 750448), (310, 714136), (340, 651124), (356, 621860), (445, 497488), (472, 469030), (496, 446335), (527, 420080), (590, 375224), (620, 357068), (680, 325562), (712, 310930), (890, 248744), (944, 234515), (1003, 220720), (1054, 210040), (1180, 187612), (1240, 178534), (1360, 162781), (1424, 155465), (1513, 146320), (1780, 124372), (1829, 121040), (2006, 110360), (2108, 105020), (2360, 93806), (2480, 89267), (2635, 84016), (2759, 80240), (3026, 73160), (3560, 62186), (3658, 60520), (4012, 55180), (4216, 52510), (4720, 46903), (5015, 44144), (5251, 42160), (5270, 42008), (5518, 40120), (6052, 36580), (7120, 31093), (7316, 30260), (7565, 29264), (8024, 27590), (8432, 26255), (9145, 24208), (10030, 22072), (10502, 21080), (10540, 21004), (11036, 20060), (12104, 18290), (13795, 16048), (14632, 15130)]