281300448

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{661}}^1$

素因数の和:729

約数の個数: 192

約数和(自身を含む): 896845824

約数和(自身を除く): 615545376

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 16, 22, 24, 26, 31, 32, 33, 39, 44, 48, 52, 62, 66, 78, 88, 93, 96, 104, 124, 132, 143, 156, 176, 186, 208, 248, 264, 286, 312, 341, 352, 372, 403, 416, 429, 496, 528, 572, 624, 661, 682, 744, 806, 858, 992, 1023, 1056, 1144, 1209, 1248, 1322, 1364, 1488, 1612, 1716, 1983, 2046, 2288, 2418, 2644, 2728, 2976, 3224, 3432, 3966, 4092, 4433, 4576, 4836, 5288, 5456, 6448, 6864, 7271, 7932, 8184, 8593, 8866, 9672, 10576, 10912, 12896, 13299, 13728, 14542, 15864, 16368, 17186, 17732, 19344, 20491, 21152, 21813, 25779, 26598, 29084, 31728, 32736, 34372, 35464, 38688, 40982, 43626, 51558, 53196, 58168, 61473, 63456, 68744, 70928, 81964, 87252, 94523, 103116, 106392, 116336, 122946, 137488, 141856, 163928, 174504, 189046, 206232, 212784, 225401, 232672, 245892, 266383, 274976, 283569, 327856, 349008, 378092, 412464, 425568, 450802, 491784, 532766, 567138, 655712, 676203, 698016, 756184, 799149, 824928, 901604, 983568, 1065532, 1134276, 1352406, 1512368, 1598298, 1803208, 1967136, 2131064, 2268552, 2704812, 2930213, 3024736, 3196596, 3606416, 4262128, 4537104, 5409624, 5860426, 6393192, 7212832, 8524256, 8790639, 9074208, 10819248, 11720852, 12786384, 17581278, 21638496, 23441704, 25572768, 35162556, 46883408, 70325112, 93766816, 140650224, 281300448]

約数ペア:

[(1, 281300448), (2, 140650224), (3, 93766816), (4, 70325112), (6, 46883408), (8, 35162556), (11, 25572768), (12, 23441704), (13, 21638496), (16, 17581278), (22, 12786384), (24, 11720852), (26, 10819248), (31, 9074208), (32, 8790639), (33, 8524256), (39, 7212832), (44, 6393192), (48, 5860426), (52, 5409624), (62, 4537104), (66, 4262128), (78, 3606416), (88, 3196596), (93, 3024736), (96, 2930213), (104, 2704812), (124, 2268552), (132, 2131064), (143, 1967136), (156, 1803208), (176, 1598298), (186, 1512368), (208, 1352406), (248, 1134276), (264, 1065532), (286, 983568), (312, 901604), (341, 824928), (352, 799149), (372, 756184), (403, 698016), (416, 676203), (429, 655712), (496, 567138), (528, 532766), (572, 491784), (624, 450802), (661, 425568), (682, 412464), (744, 378092), (806, 349008), (858, 327856), (992, 283569), (1023, 274976), (1056, 266383), (1144, 245892), (1209, 232672), (1248, 225401), (1322, 212784), (1364, 206232), (1488, 189046), (1612, 174504), (1716, 163928), (1983, 141856), (2046, 137488), (2288, 122946), (2418, 116336), (2644, 106392), (2728, 103116), (2976, 94523), (3224, 87252), (3432, 81964), (3966, 70928), (4092, 68744), (4433, 63456), (4576, 61473), (4836, 58168), (5288, 53196), (5456, 51558), (6448, 43626), (6864, 40982), (7271, 38688), (7932, 35464), (8184, 34372), (8593, 32736), (8866, 31728), (9672, 29084), (10576, 26598), (10912, 25779), (12896, 21813), (13299, 21152), (13728, 20491), (14542, 19344), (15864, 17732), (16368, 17186)]