208997040

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4013}}^1$

素因数の和:4067

約数の個数: 160

約数和(自身を含む): 764522496

約数和(自身を除く): 555525456

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 35, 40, 42, 48, 56, 60, 62, 70, 80, 84, 93, 105, 112, 120, 124, 140, 155, 168, 186, 210, 217, 240, 248, 280, 310, 336, 372, 420, 434, 465, 496, 560, 620, 651, 744, 840, 868, 930, 1085, 1240, 1302, 1488, 1680, 1736, 1860, 2170, 2480, 2604, 3255, 3472, 3720, 4013, 4340, 5208, 6510, 7440, 8026, 8680, 10416, 12039, 13020, 16052, 17360, 20065, 24078, 26040, 28091, 32104, 40130, 48156, 52080, 56182, 60195, 64208, 80260, 84273, 96312, 112364, 120390, 124403, 140455, 160520, 168546, 192624, 224728, 240780, 248806, 280910, 321040, 337092, 373209, 421365, 449456, 481560, 497612, 561820, 622015, 674184, 746418, 842730, 870821, 963120, 995224, 1123640, 1244030, 1348368, 1492836, 1685460, 1741642, 1866045, 1990448, 2247280, 2488060, 2612463, 2985672, 3370920, 3483284, 3732090, 4354105, 4976120, 5224926, 5971344, 6741840, 6966568, 7464180, 8708210, 9952240, 10449852, 13062315, 13933136, 14928360, 17416420, 20899704, 26124630, 29856720, 34832840, 41799408, 52249260, 69665680, 104498520, 208997040]

約数ペア:

[(1, 208997040), (2, 104498520), (3, 69665680), (4, 52249260), (5, 41799408), (6, 34832840), (7, 29856720), (8, 26124630), (10, 20899704), (12, 17416420), (14, 14928360), (15, 13933136), (16, 13062315), (20, 10449852), (21, 9952240), (24, 8708210), (28, 7464180), (30, 6966568), (31, 6741840), (35, 5971344), (40, 5224926), (42, 4976120), (48, 4354105), (56, 3732090), (60, 3483284), (62, 3370920), (70, 2985672), (80, 2612463), (84, 2488060), (93, 2247280), (105, 1990448), (112, 1866045), (120, 1741642), (124, 1685460), (140, 1492836), (155, 1348368), (168, 1244030), (186, 1123640), (210, 995224), (217, 963120), (240, 870821), (248, 842730), (280, 746418), (310, 674184), (336, 622015), (372, 561820), (420, 497612), (434, 481560), (465, 449456), (496, 421365), (560, 373209), (620, 337092), (651, 321040), (744, 280910), (840, 248806), (868, 240780), (930, 224728), (1085, 192624), (1240, 168546), (1302, 160520), (1488, 140455), (1680, 124403), (1736, 120390), (1860, 112364), (2170, 96312), (2480, 84273), (2604, 80260), (3255, 64208), (3472, 60195), (3720, 56182), (4013, 52080), (4340, 48156), (5208, 40130), (6510, 32104), (7440, 28091), (8026, 26040), (8680, 24078), (10416, 20065), (12039, 17360), (13020, 16052)]