78346880

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{379}}^1$

素因数の和:434

約数の個数: 128

約数和(自身を含む): 209304000

約数和(自身を除く): 130957120

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 32, 34, 38, 40, 64, 68, 76, 80, 85, 95, 128, 136, 152, 160, 170, 190, 272, 304, 320, 323, 340, 379, 380, 544, 608, 640, 646, 680, 758, 760, 1088, 1216, 1292, 1360, 1516, 1520, 1615, 1895, 2176, 2432, 2584, 2720, 3032, 3040, 3230, 3790, 5168, 5440, 6064, 6080, 6443, 6460, 7201, 7580, 10336, 10880, 12128, 12160, 12886, 12920, 14402, 15160, 20672, 24256, 25772, 25840, 28804, 30320, 32215, 36005, 41344, 48512, 51544, 51680, 57608, 60640, 64430, 72010, 103088, 103360, 115216, 121280, 122417, 128860, 144020, 206176, 206720, 230432, 242560, 244834, 257720, 288040, 412352, 460864, 489668, 515440, 576080, 612085, 824704, 921728, 979336, 1030880, 1152160, 1224170, 1958672, 2061760, 2304320, 2448340, 3917344, 4123520, 4608640, 4896680, 7834688, 9793360, 15669376, 19586720, 39173440, 78346880]

約数ペア:

[(1, 78346880), (2, 39173440), (4, 19586720), (5, 15669376), (8, 9793360), (10, 7834688), (16, 4896680), (17, 4608640), (19, 4123520), (20, 3917344), (32, 2448340), (34, 2304320), (38, 2061760), (40, 1958672), (64, 1224170), (68, 1152160), (76, 1030880), (80, 979336), (85, 921728), (95, 824704), (128, 612085), (136, 576080), (152, 515440), (160, 489668), (170, 460864), (190, 412352), (272, 288040), (304, 257720), (320, 244834), (323, 242560), (340, 230432), (379, 206720), (380, 206176), (544, 144020), (608, 128860), (640, 122417), (646, 121280), (680, 115216), (758, 103360), (760, 103088), (1088, 72010), (1216, 64430), (1292, 60640), (1360, 57608), (1516, 51680), (1520, 51544), (1615, 48512), (1895, 41344), (2176, 36005), (2432, 32215), (2584, 30320), (2720, 28804), (3032, 25840), (3040, 25772), (3230, 24256), (3790, 20672), (5168, 15160), (5440, 14402), (6064, 12920), (6080, 12886), (6443, 12160), (6460, 12128), (7201, 10880), (7580, 10336)]