21424080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:181

約数の個数: 160

約数和(自身を含む): 72316800

約数和(自身を除く): 50892720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 59, 60, 68, 80, 85, 89, 102, 118, 120, 136, 170, 177, 178, 204, 236, 240, 255, 267, 272, 295, 340, 354, 356, 408, 445, 472, 510, 534, 590, 680, 708, 712, 816, 885, 890, 944, 1003, 1020, 1068, 1180, 1335, 1360, 1416, 1424, 1513, 1770, 1780, 2006, 2040, 2136, 2360, 2670, 2832, 3009, 3026, 3540, 3560, 4012, 4080, 4272, 4539, 4720, 5015, 5251, 5340, 6018, 6052, 7080, 7120, 7565, 8024, 9078, 10030, 10502, 10680, 12036, 12104, 14160, 15045, 15130, 15753, 16048, 18156, 20060, 21004, 21360, 22695, 24072, 24208, 26255, 30090, 30260, 31506, 36312, 40120, 42008, 45390, 48144, 52510, 60180, 60520, 63012, 72624, 78765, 80240, 84016, 89267, 90780, 105020, 120360, 121040, 126024, 157530, 178534, 181560, 210040, 240720, 252048, 267801, 315060, 357068, 363120, 420080, 446335, 535602, 630120, 714136, 892670, 1071204, 1260240, 1339005, 1428272, 1785340, 2142408, 2678010, 3570680, 4284816, 5356020, 7141360, 10712040, 21424080]

約数ペア:

[(1, 21424080), (2, 10712040), (3, 7141360), (4, 5356020), (5, 4284816), (6, 3570680), (8, 2678010), (10, 2142408), (12, 1785340), (15, 1428272), (16, 1339005), (17, 1260240), (20, 1071204), (24, 892670), (30, 714136), (34, 630120), (40, 535602), (48, 446335), (51, 420080), (59, 363120), (60, 357068), (68, 315060), (80, 267801), (85, 252048), (89, 240720), (102, 210040), (118, 181560), (120, 178534), (136, 157530), (170, 126024), (177, 121040), (178, 120360), (204, 105020), (236, 90780), (240, 89267), (255, 84016), (267, 80240), (272, 78765), (295, 72624), (340, 63012), (354, 60520), (356, 60180), (408, 52510), (445, 48144), (472, 45390), (510, 42008), (534, 40120), (590, 36312), (680, 31506), (708, 30260), (712, 30090), (816, 26255), (885, 24208), (890, 24072), (944, 22695), (1003, 21360), (1020, 21004), (1068, 20060), (1180, 18156), (1335, 16048), (1360, 15753), (1416, 15130), (1424, 15045), (1513, 14160), (1770, 12104), (1780, 12036), (2006, 10680), (2040, 10502), (2136, 10030), (2360, 9078), (2670, 8024), (2832, 7565), (3009, 7120), (3026, 7080), (3540, 6052), (3560, 6018), (4012, 5340), (4080, 5251), (4272, 5015), (4539, 4720)]