215393880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:115

約数の個数: 256

約数和(自身を含む): 753984000

約数和(自身を除く): 538590120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 19, 20, 24, 26, 30, 38, 39, 40, 43, 52, 57, 60, 65, 76, 78, 86, 95, 104, 114, 120, 129, 130, 152, 156, 169, 172, 190, 195, 215, 228, 247, 258, 260, 285, 312, 338, 344, 380, 390, 430, 456, 494, 507, 516, 520, 559, 570, 645, 676, 741, 760, 780, 817, 845, 860, 988, 1014, 1032, 1118, 1140, 1235, 1290, 1352, 1482, 1560, 1634, 1677, 1690, 1720, 1976, 2028, 2197, 2236, 2280, 2451, 2470, 2535, 2580, 2795, 2964, 3211, 3268, 3354, 3380, 3705, 4056, 4085, 4394, 4472, 4902, 4940, 5070, 5160, 5590, 5928, 6422, 6536, 6591, 6708, 6760, 7267, 7410, 8170, 8385, 8788, 9633, 9804, 9880, 10140, 10621, 10985, 11180, 12255, 12844, 13182, 13416, 14534, 14820, 16055, 16340, 16770, 17576, 19266, 19608, 20280, 21242, 21801, 21970, 22360, 24510, 25688, 26364, 29068, 29640, 31863, 32110, 32680, 32955, 33540, 36335, 38532, 41743, 42484, 43602, 43940, 48165, 49020, 52728, 53105, 58136, 63726, 64220, 65910, 67080, 72670, 77064, 83486, 84968, 87204, 87880, 94471, 96330, 98040, 106210, 109005, 125229, 127452, 128440, 131820, 138073, 145340, 159315, 166972, 174408, 188942, 192660, 208715, 212420, 218010, 250458, 254904, 263640, 276146, 283413, 290680, 318630, 333944, 377884, 385320, 414219, 417430, 424840, 436020, 472355, 500916, 552292, 566826, 626145, 637260, 690365, 755768, 828438, 834860, 872040, 944710, 1001832, 1104584, 1133652, 1252290, 1274520, 1380730, 1417065, 1656876, 1669720, 1794949, 1889420, 2071095, 2267304, 2504580, 2761460, 2834130, 3313752, 3589898, 3778840, 4142190, 5009160, 5384847, 5522920, 5668260, 7179796, 8284380, 8974745, 10769694, 11336520, 14359592, 16568760, 17949490, 21539388, 26924235, 35898980, 43078776, 53848470, 71797960, 107696940, 215393880]

約数ペア:

[(1, 215393880), (2, 107696940), (3, 71797960), (4, 53848470), (5, 43078776), (6, 35898980), (8, 26924235), (10, 21539388), (12, 17949490), (13, 16568760), (15, 14359592), (19, 11336520), (20, 10769694), (24, 8974745), (26, 8284380), (30, 7179796), (38, 5668260), (39, 5522920), (40, 5384847), (43, 5009160), (52, 4142190), (57, 3778840), (60, 3589898), (65, 3313752), (76, 2834130), (78, 2761460), (86, 2504580), (95, 2267304), (104, 2071095), (114, 1889420), (120, 1794949), (129, 1669720), (130, 1656876), (152, 1417065), (156, 1380730), (169, 1274520), (172, 1252290), (190, 1133652), (195, 1104584), (215, 1001832), (228, 944710), (247, 872040), (258, 834860), (260, 828438), (285, 755768), (312, 690365), (338, 637260), (344, 626145), (380, 566826), (390, 552292), (430, 500916), (456, 472355), (494, 436020), (507, 424840), (516, 417430), (520, 414219), (559, 385320), (570, 377884), (645, 333944), (676, 318630), (741, 290680), (760, 283413), (780, 276146), (817, 263640), (845, 254904), (860, 250458), (988, 218010), (1014, 212420), (1032, 208715), (1118, 192660), (1140, 188942), (1235, 174408), (1290, 166972), (1352, 159315), (1482, 145340), (1560, 138073), (1634, 131820), (1677, 128440), (1690, 127452), (1720, 125229), (1976, 109005), (2028, 106210), (2197, 98040), (2236, 96330), (2280, 94471), (2451, 87880), (2470, 87204), (2535, 84968), (2580, 83486), (2795, 77064), (2964, 72670), (3211, 67080), (3268, 65910), (3354, 64220), (3380, 63726), (3705, 58136), (4056, 53105), (4085, 52728), (4394, 49020), (4472, 48165), (4902, 43940), (4940, 43602), (5070, 42484), (5160, 41743), (5590, 38532), (5928, 36335), (6422, 33540), (6536, 32955), (6591, 32680), (6708, 32110), (6760, 31863), (7267, 29640), (7410, 29068), (8170, 26364), (8385, 25688), (8788, 24510), (9633, 22360), (9804, 21970), (9880, 21801), (10140, 21242), (10621, 20280), (10985, 19608), (11180, 19266), (12255, 17576), (12844, 16770), (13182, 16340), (13416, 16055), (14534, 14820)]