80898840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{659}}^1$

素因数の和:718

約数の個数: 192

約数和(自身を含む): 296524800

約数和(自身を除く): 215625960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 31, 33, 36, 40, 44, 45, 55, 60, 62, 66, 72, 88, 90, 93, 99, 110, 120, 124, 132, 155, 165, 180, 186, 198, 220, 248, 264, 279, 310, 330, 341, 360, 372, 396, 440, 465, 495, 558, 620, 659, 660, 682, 744, 792, 930, 990, 1023, 1116, 1240, 1318, 1320, 1364, 1395, 1705, 1860, 1977, 1980, 2046, 2232, 2636, 2728, 2790, 3069, 3295, 3410, 3720, 3954, 3960, 4092, 5115, 5272, 5580, 5931, 6138, 6590, 6820, 7249, 7908, 8184, 9885, 10230, 11160, 11862, 12276, 13180, 13640, 14498, 15345, 15816, 19770, 20429, 20460, 21747, 23724, 24552, 26360, 28996, 29655, 30690, 36245, 39540, 40858, 40920, 43494, 47448, 57992, 59310, 61287, 61380, 65241, 72490, 79080, 81716, 86988, 102145, 108735, 118620, 122574, 122760, 130482, 144980, 163432, 173976, 183861, 204290, 217470, 224719, 237240, 245148, 260964, 289960, 306435, 326205, 367722, 408580, 434940, 449438, 490296, 521928, 612870, 652410, 674157, 735444, 817160, 869880, 898876, 919305, 1123595, 1225740, 1304820, 1348314, 1470888, 1797752, 1838610, 2022471, 2247190, 2451480, 2609640, 2696628, 3370785, 3677220, 4044942, 4494380, 5393256, 6741570, 7354440, 8089884, 8988760, 10112355, 13483140, 16179768, 20224710, 26966280, 40449420, 80898840]

約数ペア:

[(1, 80898840), (2, 40449420), (3, 26966280), (4, 20224710), (5, 16179768), (6, 13483140), (8, 10112355), (9, 8988760), (10, 8089884), (11, 7354440), (12, 6741570), (15, 5393256), (18, 4494380), (20, 4044942), (22, 3677220), (24, 3370785), (30, 2696628), (31, 2609640), (33, 2451480), (36, 2247190), (40, 2022471), (44, 1838610), (45, 1797752), (55, 1470888), (60, 1348314), (62, 1304820), (66, 1225740), (72, 1123595), (88, 919305), (90, 898876), (93, 869880), (99, 817160), (110, 735444), (120, 674157), (124, 652410), (132, 612870), (155, 521928), (165, 490296), (180, 449438), (186, 434940), (198, 408580), (220, 367722), (248, 326205), (264, 306435), (279, 289960), (310, 260964), (330, 245148), (341, 237240), (360, 224719), (372, 217470), (396, 204290), (440, 183861), (465, 173976), (495, 163432), (558, 144980), (620, 130482), (659, 122760), (660, 122574), (682, 118620), (744, 108735), (792, 102145), (930, 86988), (990, 81716), (1023, 79080), (1116, 72490), (1240, 65241), (1318, 61380), (1320, 61287), (1364, 59310), (1395, 57992), (1705, 47448), (1860, 43494), (1977, 40920), (1980, 40858), (2046, 39540), (2232, 36245), (2636, 30690), (2728, 29655), (2790, 28996), (3069, 26360), (3295, 24552), (3410, 23724), (3720, 21747), (3954, 20460), (3960, 20429), (4092, 19770), (5115, 15816), (5272, 15345), (5580, 14498), (5931, 13640), (6138, 13180), (6590, 12276), (6820, 11862), (7249, 11160), (7908, 10230), (8184, 9885)]