664139700

素因数分解:

$2^2\times 3^2\times 5^2\times 7^1\times {\mathrm{271}}^1\times {\mathrm{389}}^1$

素因数の和:687

約数の個数: 216

約数和(自身を含む): 2394013440

約数和(自身を除く): 1729873740

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 42, 45, 50, 60, 63, 70, 75, 84, 90, 100, 105, 126, 140, 150, 175, 180, 210, 225, 252, 271, 300, 315, 350, 389, 420, 450, 525, 542, 630, 700, 778, 813, 900, 1050, 1084, 1167, 1260, 1355, 1556, 1575, 1626, 1897, 1945, 2100, 2334, 2439, 2710, 2723, 3150, 3252, 3501, 3794, 3890, 4065, 4668, 4878, 5420, 5446, 5691, 5835, 6300, 6775, 7002, 7588, 7780, 8130, 8169, 9485, 9725, 9756, 10892, 11382, 11670, 12195, 13550, 13615, 14004, 16260, 16338, 17073, 17505, 18970, 19450, 20325, 22764, 23340, 24390, 24507, 27100, 27230, 28455, 29175, 32676, 34146, 35010, 37940, 38900, 40650, 40845, 47425, 48780, 49014, 54460, 56910, 58350, 60975, 68075, 68292, 70020, 81300, 81690, 85365, 87525, 94850, 98028, 105419, 113820, 116700, 121950, 122535, 136150, 142275, 163380, 170730, 175050, 189700, 204225, 210838, 243900, 245070, 272300, 284550, 316257, 341460, 350100, 408450, 421676, 426825, 490140, 527095, 569100, 612675, 632514, 737933, 816900, 853650, 948771, 1054190, 1225350, 1265028, 1475866, 1581285, 1707300, 1897542, 2108380, 2213799, 2450700, 2635475, 2951732, 3162570, 3689665, 3795084, 4427598, 4743855, 5270950, 6325140, 6641397, 7379330, 7906425, 8855196, 9487710, 10541900, 11068995, 13282794, 14758660, 15812850, 18448325, 18975420, 22137990, 23719275, 26565588, 31625700, 33206985, 36896650, 44275980, 47438550, 55344975, 66413970, 73793300, 94877100, 110689950, 132827940, 166034925, 221379900, 332069850, 664139700]

約数ペア:

[(1, 664139700), (2, 332069850), (3, 221379900), (4, 166034925), (5, 132827940), (6, 110689950), (7, 94877100), (9, 73793300), (10, 66413970), (12, 55344975), (14, 47438550), (15, 44275980), (18, 36896650), (20, 33206985), (21, 31625700), (25, 26565588), (28, 23719275), (30, 22137990), (35, 18975420), (36, 18448325), (42, 15812850), (45, 14758660), (50, 13282794), (60, 11068995), (63, 10541900), (70, 9487710), (75, 8855196), (84, 7906425), (90, 7379330), (100, 6641397), (105, 6325140), (126, 5270950), (140, 4743855), (150, 4427598), (175, 3795084), (180, 3689665), (210, 3162570), (225, 2951732), (252, 2635475), (271, 2450700), (300, 2213799), (315, 2108380), (350, 1897542), (389, 1707300), (420, 1581285), (450, 1475866), (525, 1265028), (542, 1225350), (630, 1054190), (700, 948771), (778, 853650), (813, 816900), (900, 737933), (1050, 632514), (1084, 612675), (1167, 569100), (1260, 527095), (1355, 490140), (1556, 426825), (1575, 421676), (1626, 408450), (1897, 350100), (1945, 341460), (2100, 316257), (2334, 284550), (2439, 272300), (2710, 245070), (2723, 243900), (3150, 210838), (3252, 204225), (3501, 189700), (3794, 175050), (3890, 170730), (4065, 163380), (4668, 142275), (4878, 136150), (5420, 122535), (5446, 121950), (5691, 116700), (5835, 113820), (6300, 105419), (6775, 98028), (7002, 94850), (7588, 87525), (7780, 85365), (8130, 81690), (8169, 81300), (9485, 70020), (9725, 68292), (9756, 68075), (10892, 60975), (11382, 58350), (11670, 56910), (12195, 54460), (13550, 49014), (13615, 48780), (14004, 47425), (16260, 40845), (16338, 40650), (17073, 38900), (17505, 37940), (18970, 35010), (19450, 34146), (20325, 32676), (22764, 29175), (23340, 28455), (24390, 27230), (24507, 27100)]