15919120

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:189

約数の個数: 120

約数和(自身を含む): 44782848

約数和(自身を除く): 28863728

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 49, 56, 62, 70, 80, 98, 112, 124, 131, 140, 155, 196, 217, 245, 248, 262, 280, 310, 392, 434, 490, 496, 524, 560, 620, 655, 784, 868, 917, 980, 1048, 1085, 1240, 1310, 1519, 1736, 1834, 1960, 2096, 2170, 2480, 2620, 3038, 3472, 3668, 3920, 4061, 4340, 4585, 5240, 6076, 6419, 7336, 7595, 8122, 8680, 9170, 10480, 12152, 12838, 14672, 15190, 16244, 17360, 18340, 20305, 24304, 25676, 28427, 30380, 32095, 32488, 36680, 40610, 51352, 56854, 60760, 64190, 64976, 73360, 81220, 102704, 113708, 121520, 128380, 142135, 162440, 198989, 227416, 256760, 284270, 324880, 397978, 454832, 513520, 568540, 795956, 994945, 1137080, 1591912, 1989890, 2274160, 3183824, 3979780, 7959560, 15919120]

約数ペア:

[(1, 15919120), (2, 7959560), (4, 3979780), (5, 3183824), (7, 2274160), (8, 1989890), (10, 1591912), (14, 1137080), (16, 994945), (20, 795956), (28, 568540), (31, 513520), (35, 454832), (40, 397978), (49, 324880), (56, 284270), (62, 256760), (70, 227416), (80, 198989), (98, 162440), (112, 142135), (124, 128380), (131, 121520), (140, 113708), (155, 102704), (196, 81220), (217, 73360), (245, 64976), (248, 64190), (262, 60760), (280, 56854), (310, 51352), (392, 40610), (434, 36680), (490, 32488), (496, 32095), (524, 30380), (560, 28427), (620, 25676), (655, 24304), (784, 20305), (868, 18340), (917, 17360), (980, 16244), (1048, 15190), (1085, 14672), (1240, 12838), (1310, 12152), (1519, 10480), (1736, 9170), (1834, 8680), (1960, 8122), (2096, 7595), (2170, 7336), (2480, 6419), (2620, 6076), (3038, 5240), (3472, 4585), (3668, 4340), (3920, 4061)]