80728648

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{593}}^1$

素因数の和:647

約数の個数: 128

約数和(自身を含む): 215550720

約数和(自身を除く): 134822072

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 17, 22, 26, 28, 34, 44, 52, 56, 68, 77, 88, 91, 104, 119, 136, 143, 154, 182, 187, 221, 238, 286, 308, 364, 374, 442, 476, 572, 593, 616, 728, 748, 884, 952, 1001, 1144, 1186, 1309, 1496, 1547, 1768, 2002, 2372, 2431, 2618, 3094, 4004, 4151, 4744, 4862, 5236, 6188, 6523, 7709, 8008, 8302, 9724, 10081, 10472, 12376, 13046, 15418, 16604, 17017, 19448, 20162, 26092, 30836, 33208, 34034, 40324, 45661, 52184, 53963, 61672, 68068, 70567, 80648, 84799, 91322, 107926, 110891, 131053, 136136, 141134, 169598, 182644, 215852, 221782, 262106, 282268, 339196, 365288, 431704, 443564, 524212, 564536, 593593, 678392, 776237, 887128, 917371, 1048424, 1187186, 1441583, 1552474, 1834742, 2374372, 2883166, 3104948, 3669484, 4748744, 5766332, 6209896, 7338968, 10091081, 11532664, 20182162, 40364324, 80728648]

約数ペア:

[(1, 80728648), (2, 40364324), (4, 20182162), (7, 11532664), (8, 10091081), (11, 7338968), (13, 6209896), (14, 5766332), (17, 4748744), (22, 3669484), (26, 3104948), (28, 2883166), (34, 2374372), (44, 1834742), (52, 1552474), (56, 1441583), (68, 1187186), (77, 1048424), (88, 917371), (91, 887128), (104, 776237), (119, 678392), (136, 593593), (143, 564536), (154, 524212), (182, 443564), (187, 431704), (221, 365288), (238, 339196), (286, 282268), (308, 262106), (364, 221782), (374, 215852), (442, 182644), (476, 169598), (572, 141134), (593, 136136), (616, 131053), (728, 110891), (748, 107926), (884, 91322), (952, 84799), (1001, 80648), (1144, 70567), (1186, 68068), (1309, 61672), (1496, 53963), (1547, 52184), (1768, 45661), (2002, 40324), (2372, 34034), (2431, 33208), (2618, 30836), (3094, 26092), (4004, 20162), (4151, 19448), (4744, 17017), (4862, 16604), (5236, 15418), (6188, 13046), (6523, 12376), (7709, 10472), (8008, 10081), (8302, 9724)]