7212660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1321}}^1$

素因数の和:1353

約数の個数: 96

約数和(自身を含む): 24874752

約数和(自身を除く): 17662092

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1321, 1365, 1820, 2642, 2730, 3963, 5284, 5460, 6605, 7926, 9247, 13210, 15852, 17173, 18494, 19815, 26420, 27741, 34346, 36988, 39630, 46235, 51519, 55482, 68692, 79260, 85865, 92470, 103038, 110964, 120211, 138705, 171730, 184940, 206076, 240422, 257595, 277410, 343460, 360633, 480844, 515190, 554820, 601055, 721266, 1030380, 1202110, 1442532, 1803165, 2404220, 3606330, 7212660]

約数ペア:

[(1, 7212660), (2, 3606330), (3, 2404220), (4, 1803165), (5, 1442532), (6, 1202110), (7, 1030380), (10, 721266), (12, 601055), (13, 554820), (14, 515190), (15, 480844), (20, 360633), (21, 343460), (26, 277410), (28, 257595), (30, 240422), (35, 206076), (39, 184940), (42, 171730), (52, 138705), (60, 120211), (65, 110964), (70, 103038), (78, 92470), (84, 85865), (91, 79260), (105, 68692), (130, 55482), (140, 51519), (156, 46235), (182, 39630), (195, 36988), (210, 34346), (260, 27741), (273, 26420), (364, 19815), (390, 18494), (420, 17173), (455, 15852), (546, 13210), (780, 9247), (910, 7926), (1092, 6605), (1321, 5460), (1365, 5284), (1820, 3963), (2642, 2730)]