331931880

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{607}}^1$

素因数の和:669

約数の個数: 288

約数和(自身を含む): 1297520640

約数和(自身を除く): 965588760

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, 49, 56, 60, 62, 63, 70, 72, 84, 90, 93, 98, 105, 120, 124, 126, 140, 147, 155, 168, 180, 186, 196, 210, 217, 245, 248, 252, 279, 280, 294, 310, 315, 360, 372, 392, 420, 434, 441, 465, 490, 504, 558, 588, 607, 620, 630, 651, 735, 744, 840, 868, 882, 930, 980, 1085, 1116, 1176, 1214, 1240, 1260, 1302, 1395, 1470, 1519, 1736, 1764, 1821, 1860, 1953, 1960, 2170, 2205, 2232, 2428, 2520, 2604, 2790, 2940, 3035, 3038, 3255, 3528, 3642, 3720, 3906, 4249, 4340, 4410, 4557, 4856, 5208, 5463, 5580, 5880, 6070, 6076, 6510, 7284, 7595, 7812, 8498, 8680, 8820, 9105, 9114, 9765, 10926, 11160, 12140, 12152, 12747, 13020, 13671, 14568, 15190, 15624, 16996, 17640, 18210, 18228, 18817, 19530, 21245, 21852, 22785, 24280, 25494, 26040, 27315, 27342, 29743, 30380, 33992, 36420, 36456, 37634, 38241, 39060, 42490, 43704, 45570, 50988, 54630, 54684, 56451, 59486, 60760, 63735, 68355, 72840, 75268, 76482, 78120, 84980, 89229, 91140, 94085, 101976, 109260, 109368, 112902, 118972, 127470, 131719, 136710, 148715, 150536, 152964, 169353, 169960, 178458, 182280, 188170, 191205, 218520, 225804, 237944, 254940, 263438, 267687, 273420, 282255, 297430, 305928, 338706, 356916, 376340, 382410, 395157, 446145, 451608, 509880, 526876, 535374, 546840, 564510, 594860, 658595, 677412, 713832, 752680, 764820, 790314, 846765, 892290, 922033, 1053752, 1070748, 1129020, 1185471, 1189720, 1317190, 1338435, 1354824, 1529640, 1580628, 1693530, 1784580, 1844066, 1975785, 2141496, 2258040, 2370942, 2634380, 2676870, 2766099, 3161256, 3387060, 3569160, 3688132, 3951570, 4610165, 4741884, 5268760, 5353740, 5532198, 5927355, 6774120, 7376264, 7903140, 8298297, 9220330, 9483768, 10707480, 11064396, 11854710, 13830495, 15806280, 16596594, 18440660, 22128792, 23709420, 27660990, 33193188, 36881320, 41491485, 47418840, 55321980, 66386376, 82982970, 110643960, 165965940, 331931880]

約数ペア:

[(1, 331931880), (2, 165965940), (3, 110643960), (4, 82982970), (5, 66386376), (6, 55321980), (7, 47418840), (8, 41491485), (9, 36881320), (10, 33193188), (12, 27660990), (14, 23709420), (15, 22128792), (18, 18440660), (20, 16596594), (21, 15806280), (24, 13830495), (28, 11854710), (30, 11064396), (31, 10707480), (35, 9483768), (36, 9220330), (40, 8298297), (42, 7903140), (45, 7376264), (49, 6774120), (56, 5927355), (60, 5532198), (62, 5353740), (63, 5268760), (70, 4741884), (72, 4610165), (84, 3951570), (90, 3688132), (93, 3569160), (98, 3387060), (105, 3161256), (120, 2766099), (124, 2676870), (126, 2634380), (140, 2370942), (147, 2258040), (155, 2141496), (168, 1975785), (180, 1844066), (186, 1784580), (196, 1693530), (210, 1580628), (217, 1529640), (245, 1354824), (248, 1338435), (252, 1317190), (279, 1189720), (280, 1185471), (294, 1129020), (310, 1070748), (315, 1053752), (360, 922033), (372, 892290), (392, 846765), (420, 790314), (434, 764820), (441, 752680), (465, 713832), (490, 677412), (504, 658595), (558, 594860), (588, 564510), (607, 546840), (620, 535374), (630, 526876), (651, 509880), (735, 451608), (744, 446145), (840, 395157), (868, 382410), (882, 376340), (930, 356916), (980, 338706), (1085, 305928), (1116, 297430), (1176, 282255), (1214, 273420), (1240, 267687), (1260, 263438), (1302, 254940), (1395, 237944), (1470, 225804), (1519, 218520), (1736, 191205), (1764, 188170), (1821, 182280), (1860, 178458), (1953, 169960), (1960, 169353), (2170, 152964), (2205, 150536), (2232, 148715), (2428, 136710), (2520, 131719), (2604, 127470), (2790, 118972), (2940, 112902), (3035, 109368), (3038, 109260), (3255, 101976), (3528, 94085), (3642, 91140), (3720, 89229), (3906, 84980), (4249, 78120), (4340, 76482), (4410, 75268), (4557, 72840), (4856, 68355), (5208, 63735), (5463, 60760), (5580, 59486), (5880, 56451), (6070, 54684), (6076, 54630), (6510, 50988), (7284, 45570), (7595, 43704), (7812, 42490), (8498, 39060), (8680, 38241), (8820, 37634), (9105, 36456), (9114, 36420), (9765, 33992), (10926, 30380), (11160, 29743), (12140, 27342), (12152, 27315), (12747, 26040), (13020, 25494), (13671, 24280), (14568, 22785), (15190, 21852), (15624, 21245), (16996, 19530), (17640, 18817), (18210, 18228)]