15285480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{587}}^1$

素因数の和:639

約数の個数: 128

約数和(自身を含む): 54190080

約数和(自身を除く): 38904600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 84, 93, 105, 120, 124, 140, 155, 168, 186, 210, 217, 248, 280, 310, 372, 420, 434, 465, 587, 620, 651, 744, 840, 868, 930, 1085, 1174, 1240, 1302, 1736, 1761, 1860, 2170, 2348, 2604, 2935, 3255, 3522, 3720, 4109, 4340, 4696, 5208, 5870, 6510, 7044, 8218, 8680, 8805, 11740, 12327, 13020, 14088, 16436, 17610, 18197, 20545, 23480, 24654, 26040, 32872, 35220, 36394, 41090, 49308, 54591, 61635, 70440, 72788, 82180, 90985, 98616, 109182, 123270, 127379, 145576, 164360, 181970, 218364, 246540, 254758, 272955, 363940, 382137, 436728, 493080, 509516, 545910, 636895, 727880, 764274, 1019032, 1091820, 1273790, 1528548, 1910685, 2183640, 2547580, 3057096, 3821370, 5095160, 7642740, 15285480]

約数ペア:

[(1, 15285480), (2, 7642740), (3, 5095160), (4, 3821370), (5, 3057096), (6, 2547580), (7, 2183640), (8, 1910685), (10, 1528548), (12, 1273790), (14, 1091820), (15, 1019032), (20, 764274), (21, 727880), (24, 636895), (28, 545910), (30, 509516), (31, 493080), (35, 436728), (40, 382137), (42, 363940), (56, 272955), (60, 254758), (62, 246540), (70, 218364), (84, 181970), (93, 164360), (105, 145576), (120, 127379), (124, 123270), (140, 109182), (155, 98616), (168, 90985), (186, 82180), (210, 72788), (217, 70440), (248, 61635), (280, 54591), (310, 49308), (372, 41090), (420, 36394), (434, 35220), (465, 32872), (587, 26040), (620, 24654), (651, 23480), (744, 20545), (840, 18197), (868, 17610), (930, 16436), (1085, 14088), (1174, 13020), (1240, 12327), (1302, 11740), (1736, 8805), (1761, 8680), (1860, 8218), (2170, 7044), (2348, 6510), (2604, 5870), (2935, 5208), (3255, 4696), (3522, 4340), (3720, 4109)]