20180748120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{491}}^1\times {\mathrm{26347}}^1$

素因数の和:26865

約数の個数: 128

約数和(自身を含む): 65334608640

約数和(自身を除く): 45153860520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 491, 520, 780, 982, 1473, 1560, 1964, 2455, 2946, 3928, 4910, 5892, 6383, 7365, 9820, 11784, 12766, 14730, 19149, 19640, 25532, 26347, 29460, 31915, 38298, 51064, 52694, 58920, 63830, 76596, 79041, 95745, 105388, 127660, 131735, 153192, 158082, 191490, 210776, 255320, 263470, 316164, 342511, 382980, 395205, 526940, 632328, 685022, 765960, 790410, 1027533, 1053880, 1370044, 1580820, 1712555, 2055066, 2740088, 3161640, 3425110, 4110132, 5137665, 6850220, 8220264, 10275330, 12936377, 13700440, 20550660, 25872754, 38809131, 41101320, 51745508, 64681885, 77618262, 103491016, 129363770, 155236524, 168172901, 194045655, 258727540, 310473048, 336345802, 388091310, 504518703, 517455080, 672691604, 776182620, 840864505, 1009037406, 1345383208, 1552365240, 1681729010, 2018074812, 2522593515, 3363458020, 4036149624, 5045187030, 6726916040, 10090374060, 20180748120]

約数ペア:

[(1, 20180748120), (2, 10090374060), (3, 6726916040), (4, 5045187030), (5, 4036149624), (6, 3363458020), (8, 2522593515), (10, 2018074812), (12, 1681729010), (13, 1552365240), (15, 1345383208), (20, 1009037406), (24, 840864505), (26, 776182620), (30, 672691604), (39, 517455080), (40, 504518703), (52, 388091310), (60, 336345802), (65, 310473048), (78, 258727540), (104, 194045655), (120, 168172901), (130, 155236524), (156, 129363770), (195, 103491016), (260, 77618262), (312, 64681885), (390, 51745508), (491, 41101320), (520, 38809131), (780, 25872754), (982, 20550660), (1473, 13700440), (1560, 12936377), (1964, 10275330), (2455, 8220264), (2946, 6850220), (3928, 5137665), (4910, 4110132), (5892, 3425110), (6383, 3161640), (7365, 2740088), (9820, 2055066), (11784, 1712555), (12766, 1580820), (14730, 1370044), (19149, 1053880), (19640, 1027533), (25532, 790410), (26347, 765960), (29460, 685022), (31915, 632328), (38298, 526940), (51064, 395205), (52694, 382980), (58920, 342511), (63830, 316164), (76596, 263470), (79041, 255320), (95745, 210776), (105388, 191490), (127660, 158082), (131735, 153192)]