77081520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{809}}^1$

素因数の和:1222

約数の個数: 80

約数和(自身を含む): 239850720

約数和(自身を除く): 162769200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 397, 794, 809, 1191, 1588, 1618, 1985, 2382, 2427, 3176, 3236, 3970, 4045, 4764, 4854, 5955, 6352, 6472, 7940, 8090, 9528, 9708, 11910, 12135, 12944, 15880, 16180, 19056, 19416, 23820, 24270, 31760, 32360, 38832, 47640, 48540, 64720, 95280, 97080, 194160, 321173, 642346, 963519, 1284692, 1605865, 1927038, 2569384, 3211730, 3854076, 4817595, 5138768, 6423460, 7708152, 9635190, 12846920, 15416304, 19270380, 25693840, 38540760, 77081520]

約数ペア:

[(1, 77081520), (2, 38540760), (3, 25693840), (4, 19270380), (5, 15416304), (6, 12846920), (8, 9635190), (10, 7708152), (12, 6423460), (15, 5138768), (16, 4817595), (20, 3854076), (24, 3211730), (30, 2569384), (40, 1927038), (48, 1605865), (60, 1284692), (80, 963519), (120, 642346), (240, 321173), (397, 194160), (794, 97080), (809, 95280), (1191, 64720), (1588, 48540), (1618, 47640), (1985, 38832), (2382, 32360), (2427, 31760), (3176, 24270), (3236, 23820), (3970, 19416), (4045, 19056), (4764, 16180), (4854, 15880), (5955, 12944), (6352, 12135), (6472, 11910), (7940, 9708), (8090, 9528)]