205689960

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2633}}^1$

素因数の和:2688

約数の個数: 192

約数和(自身を含む): 788935680

約数和(自身を除く): 583245720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 31, 35, 36, 40, 42, 45, 56, 60, 62, 63, 70, 72, 84, 90, 93, 105, 120, 124, 126, 140, 155, 168, 180, 186, 210, 217, 248, 252, 279, 280, 310, 315, 360, 372, 420, 434, 465, 504, 558, 620, 630, 651, 744, 840, 868, 930, 1085, 1116, 1240, 1260, 1302, 1395, 1736, 1860, 1953, 2170, 2232, 2520, 2604, 2633, 2790, 3255, 3720, 3906, 4340, 5208, 5266, 5580, 6510, 7812, 7899, 8680, 9765, 10532, 11160, 13020, 13165, 15624, 15798, 18431, 19530, 21064, 23697, 26040, 26330, 31596, 36862, 39060, 39495, 47394, 52660, 55293, 63192, 73724, 78120, 78990, 81623, 92155, 94788, 105320, 110586, 118485, 147448, 157980, 163246, 165879, 184310, 189576, 221172, 236970, 244869, 276465, 315960, 326492, 331758, 368620, 408115, 442344, 473940, 489738, 552930, 571361, 652984, 663516, 734607, 737240, 816230, 829395, 947880, 979476, 1105860, 1142722, 1224345, 1327032, 1469214, 1632460, 1658790, 1714083, 1958952, 2211720, 2285444, 2448690, 2856805, 2938428, 3264920, 3317580, 3428166, 3673035, 4570888, 4897380, 5142249, 5713610, 5876856, 6635160, 6856332, 7346070, 8570415, 9794760, 10284498, 11427220, 13712664, 14692140, 17140830, 20568996, 22854440, 25711245, 29384280, 34281660, 41137992, 51422490, 68563320, 102844980, 205689960]

約数ペア:

[(1, 205689960), (2, 102844980), (3, 68563320), (4, 51422490), (5, 41137992), (6, 34281660), (7, 29384280), (8, 25711245), (9, 22854440), (10, 20568996), (12, 17140830), (14, 14692140), (15, 13712664), (18, 11427220), (20, 10284498), (21, 9794760), (24, 8570415), (28, 7346070), (30, 6856332), (31, 6635160), (35, 5876856), (36, 5713610), (40, 5142249), (42, 4897380), (45, 4570888), (56, 3673035), (60, 3428166), (62, 3317580), (63, 3264920), (70, 2938428), (72, 2856805), (84, 2448690), (90, 2285444), (93, 2211720), (105, 1958952), (120, 1714083), (124, 1658790), (126, 1632460), (140, 1469214), (155, 1327032), (168, 1224345), (180, 1142722), (186, 1105860), (210, 979476), (217, 947880), (248, 829395), (252, 816230), (279, 737240), (280, 734607), (310, 663516), (315, 652984), (360, 571361), (372, 552930), (420, 489738), (434, 473940), (465, 442344), (504, 408115), (558, 368620), (620, 331758), (630, 326492), (651, 315960), (744, 276465), (840, 244869), (868, 236970), (930, 221172), (1085, 189576), (1116, 184310), (1240, 165879), (1260, 163246), (1302, 157980), (1395, 147448), (1736, 118485), (1860, 110586), (1953, 105320), (2170, 94788), (2232, 92155), (2520, 81623), (2604, 78990), (2633, 78120), (2790, 73724), (3255, 63192), (3720, 55293), (3906, 52660), (4340, 47394), (5208, 39495), (5266, 39060), (5580, 36862), (6510, 31596), (7812, 26330), (7899, 26040), (8680, 23697), (9765, 21064), (10532, 19530), (11160, 18431), (13020, 15798), (13165, 15624)]