1640604680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{22063}}^1$

素因数の和:22111

約数の個数: 96

約数和(自身を含む): 4360728960

約数和(自身を除く): 2720124280

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 169, 220, 260, 286, 338, 440, 520, 572, 676, 715, 845, 1144, 1352, 1430, 1690, 1859, 2860, 3380, 3718, 5720, 6760, 7436, 9295, 14872, 18590, 22063, 37180, 44126, 74360, 88252, 110315, 176504, 220630, 242693, 286819, 441260, 485386, 573638, 882520, 970772, 1147276, 1213465, 1434095, 1941544, 2294552, 2426930, 2868190, 3155009, 3728647, 4853860, 5736380, 6310018, 7457294, 9707720, 11472760, 12620036, 14914588, 15775045, 18643235, 25240072, 29829176, 31550090, 37286470, 41015117, 63100180, 74572940, 82030234, 126200360, 149145880, 164060468, 205075585, 328120936, 410151170, 820302340, 1640604680]

約数ペア:

[(1, 1640604680), (2, 820302340), (4, 410151170), (5, 328120936), (8, 205075585), (10, 164060468), (11, 149145880), (13, 126200360), (20, 82030234), (22, 74572940), (26, 63100180), (40, 41015117), (44, 37286470), (52, 31550090), (55, 29829176), (65, 25240072), (88, 18643235), (104, 15775045), (110, 14914588), (130, 12620036), (143, 11472760), (169, 9707720), (220, 7457294), (260, 6310018), (286, 5736380), (338, 4853860), (440, 3728647), (520, 3155009), (572, 2868190), (676, 2426930), (715, 2294552), (845, 1941544), (1144, 1434095), (1352, 1213465), (1430, 1147276), (1690, 970772), (1859, 882520), (2860, 573638), (3380, 485386), (3718, 441260), (5720, 286819), (6760, 242693), (7436, 220630), (9295, 176504), (14872, 110315), (18590, 88252), (22063, 74360), (37180, 44126)]