221439780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{9391}}^1$

素因数の和:9537

約数の個数: 72

約数和(自身を含む): 676900224

約数和(自身を除く): 455460444

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 131, 180, 262, 393, 524, 655, 786, 1179, 1310, 1572, 1965, 2358, 2620, 3930, 4716, 5895, 7860, 9391, 11790, 18782, 23580, 28173, 37564, 46955, 56346, 84519, 93910, 112692, 140865, 169038, 187820, 281730, 338076, 422595, 563460, 845190, 1230221, 1690380, 2460442, 3690663, 4920884, 6151105, 7381326, 11071989, 12302210, 14762652, 18453315, 22143978, 24604420, 36906630, 44287956, 55359945, 73813260, 110719890, 221439780]

約数ペア:

[(1, 221439780), (2, 110719890), (3, 73813260), (4, 55359945), (5, 44287956), (6, 36906630), (9, 24604420), (10, 22143978), (12, 18453315), (15, 14762652), (18, 12302210), (20, 11071989), (30, 7381326), (36, 6151105), (45, 4920884), (60, 3690663), (90, 2460442), (131, 1690380), (180, 1230221), (262, 845190), (393, 563460), (524, 422595), (655, 338076), (786, 281730), (1179, 187820), (1310, 169038), (1572, 140865), (1965, 112692), (2358, 93910), (2620, 84519), (3930, 56346), (4716, 46955), (5895, 37564), (7860, 28173), (9391, 23580), (11790, 18782)]