172978080

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^2$

素因数の和:391

約数の個数: 144

約数和(自身を含む): 597717792

約数和(自身を除く): 424739712

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 66, 80, 88, 96, 110, 120, 132, 160, 165, 176, 181, 220, 240, 264, 330, 352, 362, 440, 480, 528, 543, 660, 724, 880, 905, 1056, 1086, 1320, 1448, 1760, 1810, 1991, 2172, 2640, 2715, 2896, 3620, 3982, 4344, 5280, 5430, 5792, 5973, 7240, 7964, 8688, 9955, 10860, 11946, 14480, 15928, 17376, 19910, 21720, 23892, 28960, 29865, 31856, 32761, 39820, 43440, 47784, 59730, 63712, 65522, 79640, 86880, 95568, 98283, 119460, 131044, 159280, 163805, 191136, 196566, 238920, 262088, 318560, 327610, 360371, 393132, 477840, 491415, 524176, 655220, 720742, 786264, 955680, 982830, 1048352, 1081113, 1310440, 1441484, 1572528, 1801855, 1965660, 2162226, 2620880, 2882968, 3145056, 3603710, 3931320, 4324452, 5241760, 5405565, 5765936, 7207420, 7862640, 8648904, 10811130, 11531872, 14414840, 15725280, 17297808, 21622260, 28829680, 34595616, 43244520, 57659360, 86489040, 172978080]

約数ペア:

[(1, 172978080), (2, 86489040), (3, 57659360), (4, 43244520), (5, 34595616), (6, 28829680), (8, 21622260), (10, 17297808), (11, 15725280), (12, 14414840), (15, 11531872), (16, 10811130), (20, 8648904), (22, 7862640), (24, 7207420), (30, 5765936), (32, 5405565), (33, 5241760), (40, 4324452), (44, 3931320), (48, 3603710), (55, 3145056), (60, 2882968), (66, 2620880), (80, 2162226), (88, 1965660), (96, 1801855), (110, 1572528), (120, 1441484), (132, 1310440), (160, 1081113), (165, 1048352), (176, 982830), (181, 955680), (220, 786264), (240, 720742), (264, 655220), (330, 524176), (352, 491415), (362, 477840), (440, 393132), (480, 360371), (528, 327610), (543, 318560), (660, 262088), (724, 238920), (880, 196566), (905, 191136), (1056, 163805), (1086, 159280), (1320, 131044), (1448, 119460), (1760, 98283), (1810, 95568), (1991, 86880), (2172, 79640), (2640, 65522), (2715, 63712), (2896, 59730), (3620, 47784), (3982, 43440), (4344, 39820), (5280, 32761), (5430, 31856), (5792, 29865), (5973, 28960), (7240, 23892), (7964, 21720), (8688, 19910), (9955, 17376), (10860, 15928), (11946, 14480)]