18741402680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{468067}}^1$

素因数の和:468109

約数の個数: 128

約数和(自身を含む): 56617505280

約数和(自身を除く): 37876102600

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 20, 22, 26, 28, 35, 40, 44, 52, 55, 56, 65, 70, 77, 88, 91, 104, 110, 130, 140, 143, 154, 182, 220, 260, 280, 286, 308, 364, 385, 440, 455, 520, 572, 616, 715, 728, 770, 910, 1001, 1144, 1430, 1540, 1820, 2002, 2860, 3080, 3640, 4004, 5005, 5720, 8008, 10010, 20020, 40040, 468067, 936134, 1872268, 2340335, 3276469, 3744536, 4680670, 5148737, 6084871, 6552938, 9361340, 10297474, 12169742, 13105876, 16382345, 18722680, 20594948, 24339484, 25743685, 26211752, 30424355, 32764690, 36041159, 41189896, 42594097, 48678968, 51487370, 60848710, 65529380, 66933581, 72082318, 85188194, 102974740, 121697420, 131058760, 133867162, 144164636, 170376388, 180205795, 205949480, 212970485, 243394840, 267734324, 288329272, 334667905, 340752776, 360411590, 425940970, 468535067, 535468648, 669335810, 720823180, 851881940, 937070134, 1338671620, 1441646360, 1703763880, 1874140268, 2342675335, 2677343240, 3748280536, 4685350670, 9370701340, 18741402680]

約数ペア:

[(1, 18741402680), (2, 9370701340), (4, 4685350670), (5, 3748280536), (7, 2677343240), (8, 2342675335), (10, 1874140268), (11, 1703763880), (13, 1441646360), (14, 1338671620), (20, 937070134), (22, 851881940), (26, 720823180), (28, 669335810), (35, 535468648), (40, 468535067), (44, 425940970), (52, 360411590), (55, 340752776), (56, 334667905), (65, 288329272), (70, 267734324), (77, 243394840), (88, 212970485), (91, 205949480), (104, 180205795), (110, 170376388), (130, 144164636), (140, 133867162), (143, 131058760), (154, 121697420), (182, 102974740), (220, 85188194), (260, 72082318), (280, 66933581), (286, 65529380), (308, 60848710), (364, 51487370), (385, 48678968), (440, 42594097), (455, 41189896), (520, 36041159), (572, 32764690), (616, 30424355), (715, 26211752), (728, 25743685), (770, 24339484), (910, 20594948), (1001, 18722680), (1144, 16382345), (1430, 13105876), (1540, 12169742), (1820, 10297474), (2002, 9361340), (2860, 6552938), (3080, 6084871), (3640, 5148737), (4004, 4680670), (5005, 3744536), (5720, 3276469), (8008, 2340335), (10010, 1872268), (20020, 936134), (40040, 468067)]