15815800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1$

素因数の和:126

約数の個数: 192

約数和(自身を含む): 49996800

約数和(自身を除く): 34181000

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 20, 22, 25, 26, 28, 35, 40, 44, 50, 52, 55, 56, 65, 70, 77, 79, 88, 91, 100, 104, 110, 130, 140, 143, 154, 158, 175, 182, 200, 220, 260, 275, 280, 286, 308, 316, 325, 350, 364, 385, 395, 440, 455, 520, 550, 553, 572, 616, 632, 650, 700, 715, 728, 770, 790, 869, 910, 1001, 1027, 1100, 1106, 1144, 1300, 1400, 1430, 1540, 1580, 1738, 1820, 1925, 1975, 2002, 2054, 2200, 2212, 2275, 2600, 2765, 2860, 3080, 3160, 3476, 3575, 3640, 3850, 3950, 4004, 4108, 4345, 4424, 4550, 5005, 5135, 5530, 5720, 6083, 6952, 7150, 7189, 7700, 7900, 8008, 8216, 8690, 9100, 10010, 10270, 11060, 11297, 12166, 13825, 14300, 14378, 15400, 15800, 17380, 18200, 20020, 20540, 21725, 22120, 22594, 24332, 25025, 25675, 27650, 28600, 28756, 30415, 34760, 35945, 40040, 41080, 43450, 45188, 48664, 50050, 51350, 55300, 56485, 57512, 60830, 71890, 79079, 86900, 90376, 100100, 102700, 110600, 112970, 121660, 143780, 152075, 158158, 173800, 179725, 200200, 205400, 225940, 243320, 282425, 287560, 304150, 316316, 359450, 395395, 451880, 564850, 608300, 632632, 718900, 790790, 1129700, 1216600, 1437800, 1581580, 1976975, 2259400, 3163160, 3953950, 7907900, 15815800]

約数ペア:

[(1, 15815800), (2, 7907900), (4, 3953950), (5, 3163160), (7, 2259400), (8, 1976975), (10, 1581580), (11, 1437800), (13, 1216600), (14, 1129700), (20, 790790), (22, 718900), (25, 632632), (26, 608300), (28, 564850), (35, 451880), (40, 395395), (44, 359450), (50, 316316), (52, 304150), (55, 287560), (56, 282425), (65, 243320), (70, 225940), (77, 205400), (79, 200200), (88, 179725), (91, 173800), (100, 158158), (104, 152075), (110, 143780), (130, 121660), (140, 112970), (143, 110600), (154, 102700), (158, 100100), (175, 90376), (182, 86900), (200, 79079), (220, 71890), (260, 60830), (275, 57512), (280, 56485), (286, 55300), (308, 51350), (316, 50050), (325, 48664), (350, 45188), (364, 43450), (385, 41080), (395, 40040), (440, 35945), (455, 34760), (520, 30415), (550, 28756), (553, 28600), (572, 27650), (616, 25675), (632, 25025), (650, 24332), (700, 22594), (715, 22120), (728, 21725), (770, 20540), (790, 20020), (869, 18200), (910, 17380), (1001, 15800), (1027, 15400), (1100, 14378), (1106, 14300), (1144, 13825), (1300, 12166), (1400, 11297), (1430, 11060), (1540, 10270), (1580, 10010), (1738, 9100), (1820, 8690), (1925, 8216), (1975, 8008), (2002, 7900), (2054, 7700), (2200, 7189), (2212, 7150), (2275, 6952), (2600, 6083), (2765, 5720), (2860, 5530), (3080, 5135), (3160, 5005), (3476, 4550), (3575, 4424), (3640, 4345), (3850, 4108), (3950, 4004)]