208658520

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2671}}^1$

素因数の和:2726

約数の個数: 192

約数和(自身を含む): 800317440

約数和(自身を除く): 591658920

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, 2671, 2790, 3255, 3720, 3906, 4340, 5208, 5342, 5580, 6510, 7812, 8013, 8680, 9765, 10684, 11160, 13020, 13355, 15624, 16026, 18697, 19530, 21368, 24039, 26040, 26710, 32052, 37394, 39060, 40065, 48078, 53420, 56091, 64104, 74788, 78120, 80130, 82801, 93485, 96156, 106840, 112182, 120195, 149576, 160260, 165602, 168273, 186970, 192312, 224364, 240390, 248403, 280455, 320520, 331204, 336546, 373940, 414005, 448728, 480780, 496806, 560910, 579607, 662408, 673092, 745209, 747880, 828010, 841365, 961560, 993612, 1121820, 1159214, 1242015, 1346184, 1490418, 1656020, 1682730, 1738821, 1987224, 2243640, 2318428, 2484030, 2898035, 2980836, 3312040, 3365460, 3477642, 3726045, 4636856, 4968060, 5216463, 5796070, 5961672, 6730920, 6955284, 7452090, 8694105, 9936120, 10432926, 11592140, 13910568, 14904180, 17388210, 20865852, 23184280, 26082315, 29808360, 34776420, 41731704, 52164630, 69552840, 104329260, 208658520]

約数ペア:

[(1, 208658520), (2, 104329260), (3, 69552840), (4, 52164630), (5, 41731704), (6, 34776420), (7, 29808360), (8, 26082315), (9, 23184280), (10, 20865852), (12, 17388210), (14, 14904180), (15, 13910568), (18, 11592140), (20, 10432926), (21, 9936120), (24, 8694105), (28, 7452090), (30, 6955284), (31, 6730920), (35, 5961672), (36, 5796070), (40, 5216463), (42, 4968060), (45, 4636856), (56, 3726045), (60, 3477642), (62, 3365460), (63, 3312040), (70, 2980836), (72, 2898035), (84, 2484030), (90, 2318428), (93, 2243640), (105, 1987224), (120, 1738821), (124, 1682730), (126, 1656020), (140, 1490418), (155, 1346184), (168, 1242015), (180, 1159214), (186, 1121820), (210, 993612), (217, 961560), (248, 841365), (252, 828010), (279, 747880), (280, 745209), (310, 673092), (315, 662408), (360, 579607), (372, 560910), (420, 496806), (434, 480780), (465, 448728), (504, 414005), (558, 373940), (620, 336546), (630, 331204), (651, 320520), (744, 280455), (840, 248403), (868, 240390), (930, 224364), (1085, 192312), (1116, 186970), (1240, 168273), (1260, 165602), (1302, 160260), (1395, 149576), (1736, 120195), (1860, 112182), (1953, 106840), (2170, 96156), (2232, 93485), (2520, 82801), (2604, 80130), (2671, 78120), (2790, 74788), (3255, 64104), (3720, 56091), (3906, 53420), (4340, 48078), (5208, 40065), (5342, 39060), (5580, 37394), (6510, 32052), (7812, 26710), (8013, 26040), (8680, 24039), (9765, 21368), (10684, 19530), (11160, 18697), (13020, 16026), (13355, 15624)]