253772820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:215

約数の個数: 288

約数和(自身を含む): 930908160

約数和(自身を除く): 677135340

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 60, 62, 63, 70, 73, 84, 89, 90, 93, 105, 124, 126, 140, 146, 155, 178, 180, 186, 210, 217, 219, 252, 267, 279, 292, 310, 315, 356, 365, 372, 420, 434, 438, 445, 465, 511, 534, 558, 620, 623, 630, 651, 657, 730, 801, 868, 876, 890, 930, 1022, 1068, 1085, 1095, 1116, 1246, 1260, 1302, 1314, 1335, 1395, 1460, 1533, 1602, 1780, 1860, 1869, 1953, 2044, 2170, 2190, 2263, 2492, 2555, 2604, 2628, 2670, 2759, 2790, 3066, 3115, 3204, 3255, 3285, 3738, 3906, 4005, 4340, 4380, 4526, 4599, 5110, 5340, 5518, 5580, 5607, 6132, 6230, 6497, 6510, 6570, 6789, 7476, 7665, 7812, 8010, 8277, 9052, 9198, 9345, 9765, 10220, 11036, 11214, 11315, 12460, 12994, 13020, 13140, 13578, 13795, 15330, 15841, 16020, 16554, 18396, 18690, 19313, 19491, 19530, 20367, 22428, 22630, 22995, 24831, 25988, 27156, 27590, 28035, 30660, 31682, 32485, 33108, 33945, 37380, 38626, 38982, 39060, 40734, 41385, 45260, 45479, 45990, 47523, 49662, 55180, 56070, 57939, 58473, 63364, 64970, 67890, 77252, 77964, 79205, 81468, 82770, 90958, 91980, 95046, 96565, 97455, 99324, 101835, 112140, 115878, 116946, 124155, 129940, 135780, 136437, 142569, 158410, 165540, 173817, 181916, 190092, 193130, 194910, 201407, 203670, 227395, 231756, 233892, 237615, 248310, 272874, 285138, 289695, 292365, 316820, 347634, 386260, 389820, 402814, 407340, 409311, 454790, 475230, 496620, 545748, 570276, 579390, 584730, 604221, 682185, 695268, 712845, 805628, 818622, 869085, 909580, 950460, 1007035, 1158780, 1169460, 1208442, 1364370, 1409849, 1425690, 1637244, 1738170, 1812663, 2014070, 2046555, 2416884, 2728740, 2819698, 2851380, 3021105, 3476340, 3625326, 4028140, 4093110, 4229547, 5639396, 6042210, 7049245, 7250652, 8186220, 8459094, 9063315, 12084420, 12688641, 14098490, 16918188, 18126630, 21147735, 25377282, 28196980, 36253260, 42295470, 50754564, 63443205, 84590940, 126886410, 253772820]

約数ペア:

[(1, 253772820), (2, 126886410), (3, 84590940), (4, 63443205), (5, 50754564), (6, 42295470), (7, 36253260), (9, 28196980), (10, 25377282), (12, 21147735), (14, 18126630), (15, 16918188), (18, 14098490), (20, 12688641), (21, 12084420), (28, 9063315), (30, 8459094), (31, 8186220), (35, 7250652), (36, 7049245), (42, 6042210), (45, 5639396), (60, 4229547), (62, 4093110), (63, 4028140), (70, 3625326), (73, 3476340), (84, 3021105), (89, 2851380), (90, 2819698), (93, 2728740), (105, 2416884), (124, 2046555), (126, 2014070), (140, 1812663), (146, 1738170), (155, 1637244), (178, 1425690), (180, 1409849), (186, 1364370), (210, 1208442), (217, 1169460), (219, 1158780), (252, 1007035), (267, 950460), (279, 909580), (292, 869085), (310, 818622), (315, 805628), (356, 712845), (365, 695268), (372, 682185), (420, 604221), (434, 584730), (438, 579390), (445, 570276), (465, 545748), (511, 496620), (534, 475230), (558, 454790), (620, 409311), (623, 407340), (630, 402814), (651, 389820), (657, 386260), (730, 347634), (801, 316820), (868, 292365), (876, 289695), (890, 285138), (930, 272874), (1022, 248310), (1068, 237615), (1085, 233892), (1095, 231756), (1116, 227395), (1246, 203670), (1260, 201407), (1302, 194910), (1314, 193130), (1335, 190092), (1395, 181916), (1460, 173817), (1533, 165540), (1602, 158410), (1780, 142569), (1860, 136437), (1869, 135780), (1953, 129940), (2044, 124155), (2170, 116946), (2190, 115878), (2263, 112140), (2492, 101835), (2555, 99324), (2604, 97455), (2628, 96565), (2670, 95046), (2759, 91980), (2790, 90958), (3066, 82770), (3115, 81468), (3204, 79205), (3255, 77964), (3285, 77252), (3738, 67890), (3906, 64970), (4005, 63364), (4340, 58473), (4380, 57939), (4526, 56070), (4599, 55180), (5110, 49662), (5340, 47523), (5518, 45990), (5580, 45479), (5607, 45260), (6132, 41385), (6230, 40734), (6497, 39060), (6510, 38982), (6570, 38626), (6789, 37380), (7476, 33945), (7665, 33108), (7812, 32485), (8010, 31682), (8277, 30660), (9052, 28035), (9198, 27590), (9345, 27156), (9765, 25988), (10220, 24831), (11036, 22995), (11214, 22630), (11315, 22428), (12460, 20367), (12994, 19530), (13020, 19491), (13140, 19313), (13578, 18690), (13795, 18396), (15330, 16554), (15841, 16020)]