261597840

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{5023}}^1$

素因数の和:5077

約数の個数: 160

約数和(自身を含む): 956891136

約数和(自身を除く): 695293296

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, 4340, 5023, 5208, 6510, 7440, 8680, 10046, 10416, 13020, 15069, 17360, 20092, 25115, 26040, 30138, 35161, 40184, 50230, 52080, 60276, 70322, 75345, 80368, 100460, 105483, 120552, 140644, 150690, 155713, 175805, 200920, 210966, 241104, 281288, 301380, 311426, 351610, 401840, 421932, 467139, 527415, 562576, 602760, 622852, 703220, 778565, 843864, 934278, 1054830, 1089991, 1205520, 1245704, 1406440, 1557130, 1687728, 1868556, 2109660, 2179982, 2335695, 2491408, 2812880, 3114260, 3269973, 3737112, 4219320, 4359964, 4671390, 5449955, 6228520, 6539946, 7474224, 8438640, 8719928, 9342780, 10899910, 12457040, 13079892, 16349865, 17439856, 18685560, 21799820, 26159784, 32699730, 37371120, 43599640, 52319568, 65399460, 87199280, 130798920, 261597840]

約数ペア:

[(1, 261597840), (2, 130798920), (3, 87199280), (4, 65399460), (5, 52319568), (6, 43599640), (7, 37371120), (8, 32699730), (10, 26159784), (12, 21799820), (14, 18685560), (15, 17439856), (16, 16349865), (20, 13079892), (21, 12457040), (24, 10899910), (28, 9342780), (30, 8719928), (31, 8438640), (35, 7474224), (40, 6539946), (42, 6228520), (48, 5449955), (56, 4671390), (60, 4359964), (62, 4219320), (70, 3737112), (80, 3269973), (84, 3114260), (93, 2812880), (105, 2491408), (112, 2335695), (120, 2179982), (124, 2109660), (140, 1868556), (155, 1687728), (168, 1557130), (186, 1406440), (210, 1245704), (217, 1205520), (240, 1089991), (248, 1054830), (280, 934278), (310, 843864), (336, 778565), (372, 703220), (420, 622852), (434, 602760), (465, 562576), (496, 527415), (560, 467139), (620, 421932), (651, 401840), (744, 351610), (840, 311426), (868, 301380), (930, 281288), (1085, 241104), (1240, 210966), (1302, 200920), (1488, 175805), (1680, 155713), (1736, 150690), (1860, 140644), (2170, 120552), (2480, 105483), (2604, 100460), (3255, 80368), (3472, 75345), (3720, 70322), (4340, 60276), (5023, 52080), (5208, 50230), (6510, 40184), (7440, 35161), (8680, 30138), (10046, 26040), (10416, 25115), (13020, 20092), (15069, 17360)]