19874400

素因数分解:

$2^5\times 3^1\times 5^2\times 7^2\times {\mathrm{13}}^2$

素因数の和:63

約数の個数: 324

約数和(自身を含む): 81486972

約数和(自身を除く): 61612572

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 25, 26, 28, 30, 32, 35, 39, 40, 42, 48, 49, 50, 52, 56, 60, 65, 70, 75, 78, 80, 84, 91, 96, 98, 100, 104, 105, 112, 120, 130, 140, 147, 150, 156, 160, 168, 169, 175, 182, 195, 196, 200, 208, 210, 224, 240, 245, 260, 273, 280, 294, 300, 312, 325, 336, 338, 350, 364, 390, 392, 400, 416, 420, 455, 480, 490, 507, 520, 525, 546, 560, 588, 600, 624, 637, 650, 672, 676, 700, 728, 735, 780, 784, 800, 840, 845, 910, 975, 980, 1014, 1040, 1050, 1092, 1120, 1176, 1183, 1200, 1225, 1248, 1274, 1300, 1352, 1365, 1400, 1456, 1470, 1560, 1568, 1680, 1690, 1820, 1911, 1950, 1960, 2028, 2080, 2100, 2184, 2275, 2352, 2366, 2400, 2450, 2535, 2548, 2600, 2704, 2730, 2800, 2912, 2940, 3120, 3185, 3360, 3380, 3549, 3640, 3675, 3822, 3900, 3920, 4056, 4200, 4225, 4368, 4550, 4704, 4732, 4900, 5070, 5096, 5200, 5408, 5460, 5600, 5880, 5915, 6240, 6370, 6760, 6825, 7098, 7280, 7350, 7644, 7800, 7840, 8112, 8281, 8400, 8450, 8736, 9100, 9464, 9555, 9800, 10140, 10192, 10400, 10920, 11760, 11830, 12675, 12740, 13520, 13650, 14196, 14560, 14700, 15288, 15600, 15925, 16224, 16562, 16800, 16900, 17745, 18200, 18928, 19110, 19600, 20280, 20384, 21840, 23520, 23660, 24843, 25350, 25480, 27040, 27300, 28392, 29400, 29575, 30576, 31200, 31850, 33124, 33800, 35490, 36400, 37856, 38220, 39200, 40560, 41405, 43680, 47320, 47775, 49686, 50700, 50960, 54600, 56784, 58800, 59150, 61152, 63700, 66248, 67600, 70980, 72800, 76440, 81120, 82810, 88725, 94640, 95550, 99372, 101400, 101920, 109200, 113568, 117600, 118300, 124215, 127400, 132496, 135200, 141960, 152880, 165620, 177450, 189280, 191100, 198744, 202800, 207025, 218400, 236600, 248430, 254800, 264992, 283920, 305760, 331240, 354900, 382200, 397488, 405600, 414050, 473200, 496860, 509600, 567840, 621075, 662480, 709800, 764400, 794976, 828100, 946400, 993720, 1242150, 1324960, 1419600, 1528800, 1656200, 1987440, 2484300, 2839200, 3312400, 3974880, 4968600, 6624800, 9937200, 19874400]

約数ペア:

[(1, 19874400), (2, 9937200), (3, 6624800), (4, 4968600), (5, 3974880), (6, 3312400), (7, 2839200), (8, 2484300), (10, 1987440), (12, 1656200), (13, 1528800), (14, 1419600), (15, 1324960), (16, 1242150), (20, 993720), (21, 946400), (24, 828100), (25, 794976), (26, 764400), (28, 709800), (30, 662480), (32, 621075), (35, 567840), (39, 509600), (40, 496860), (42, 473200), (48, 414050), (49, 405600), (50, 397488), (52, 382200), (56, 354900), (60, 331240), (65, 305760), (70, 283920), (75, 264992), (78, 254800), (80, 248430), (84, 236600), (91, 218400), (96, 207025), (98, 202800), (100, 198744), (104, 191100), (105, 189280), (112, 177450), (120, 165620), (130, 152880), (140, 141960), (147, 135200), (150, 132496), (156, 127400), (160, 124215), (168, 118300), (169, 117600), (175, 113568), (182, 109200), (195, 101920), (196, 101400), (200, 99372), (208, 95550), (210, 94640), (224, 88725), (240, 82810), (245, 81120), (260, 76440), (273, 72800), (280, 70980), (294, 67600), (300, 66248), (312, 63700), (325, 61152), (336, 59150), (338, 58800), (350, 56784), (364, 54600), (390, 50960), (392, 50700), (400, 49686), (416, 47775), (420, 47320), (455, 43680), (480, 41405), (490, 40560), (507, 39200), (520, 38220), (525, 37856), (546, 36400), (560, 35490), (588, 33800), (600, 33124), (624, 31850), (637, 31200), (650, 30576), (672, 29575), (676, 29400), (700, 28392), (728, 27300), (735, 27040), (780, 25480), (784, 25350), (800, 24843), (840, 23660), (845, 23520), (910, 21840), (975, 20384), (980, 20280), (1014, 19600), (1040, 19110), (1050, 18928), (1092, 18200), (1120, 17745), (1176, 16900), (1183, 16800), (1200, 16562), (1225, 16224), (1248, 15925), (1274, 15600), (1300, 15288), (1352, 14700), (1365, 14560), (1400, 14196), (1456, 13650), (1470, 13520), (1560, 12740), (1568, 12675), (1680, 11830), (1690, 11760), (1820, 10920), (1911, 10400), (1950, 10192), (1960, 10140), (2028, 9800), (2080, 9555), (2100, 9464), (2184, 9100), (2275, 8736), (2352, 8450), (2366, 8400), (2400, 8281), (2450, 8112), (2535, 7840), (2548, 7800), (2600, 7644), (2704, 7350), (2730, 7280), (2800, 7098), (2912, 6825), (2940, 6760), (3120, 6370), (3185, 6240), (3360, 5915), (3380, 5880), (3549, 5600), (3640, 5460), (3675, 5408), (3822, 5200), (3900, 5096), (3920, 5070), (4056, 4900), (4200, 4732), (4225, 4704), (4368, 4550)]