320469750

素因数分解:

$2^1\times 3^3\times 5^3\times {\mathrm{197}}^1\times {\mathrm{241}}^1$

素因数の和:464

約数の個数: 128

約数和(自身を含む): 896987520

約数和(自身を除く): 576517770

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 75, 90, 125, 135, 150, 197, 225, 241, 250, 270, 375, 394, 450, 482, 591, 675, 723, 750, 985, 1125, 1182, 1205, 1350, 1446, 1773, 1970, 2169, 2250, 2410, 2955, 3375, 3546, 3615, 4338, 4925, 5319, 5910, 6025, 6507, 6750, 7230, 8865, 9850, 10638, 10845, 12050, 13014, 14775, 17730, 18075, 21690, 24625, 26595, 29550, 30125, 32535, 36150, 44325, 47477, 49250, 53190, 54225, 60250, 65070, 73875, 88650, 90375, 94954, 108450, 132975, 142431, 147750, 162675, 180750, 221625, 237385, 265950, 271125, 284862, 325350, 427293, 443250, 474770, 542250, 664875, 712155, 813375, 854586, 1186925, 1281879, 1329750, 1424310, 1626750, 2136465, 2373850, 2563758, 3560775, 4272930, 5934625, 6409395, 7121550, 10682325, 11869250, 12818790, 17803875, 21364650, 32046975, 35607750, 53411625, 64093950, 106823250, 160234875, 320469750]

約数ペア:

[(1, 320469750), (2, 160234875), (3, 106823250), (5, 64093950), (6, 53411625), (9, 35607750), (10, 32046975), (15, 21364650), (18, 17803875), (25, 12818790), (27, 11869250), (30, 10682325), (45, 7121550), (50, 6409395), (54, 5934625), (75, 4272930), (90, 3560775), (125, 2563758), (135, 2373850), (150, 2136465), (197, 1626750), (225, 1424310), (241, 1329750), (250, 1281879), (270, 1186925), (375, 854586), (394, 813375), (450, 712155), (482, 664875), (591, 542250), (675, 474770), (723, 443250), (750, 427293), (985, 325350), (1125, 284862), (1182, 271125), (1205, 265950), (1350, 237385), (1446, 221625), (1773, 180750), (1970, 162675), (2169, 147750), (2250, 142431), (2410, 132975), (2955, 108450), (3375, 94954), (3546, 90375), (3615, 88650), (4338, 73875), (4925, 65070), (5319, 60250), (5910, 54225), (6025, 53190), (6507, 49250), (6750, 47477), (7230, 44325), (8865, 36150), (9850, 32535), (10638, 30125), (10845, 29550), (12050, 26595), (13014, 24625), (14775, 21690), (17730, 18075)]