1653760

素因数分解:

$2^{10}\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:61

約数の個数: 88

約数和(自身を含む): 4421520

約数和(自身を除く): 2767760

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, 256, 272, 304, 320, 323, 340, 380, 512, 544, 608, 640, 646, 680, 760, 1024, 1088, 1216, 1280, 1292, 1360, 1520, 1615, 2176, 2432, 2560, 2584, 2720, 3040, 3230, 4352, 4864, 5120, 5168, 5440, 6080, 6460, 8704, 9728, 10336, 10880, 12160, 12920, 17408, 19456, 20672, 21760, 24320, 25840, 41344, 43520, 48640, 51680, 82688, 87040, 97280, 103360, 165376, 206720, 330752, 413440, 826880, 1653760]

約数ペア:

[(1, 1653760), (2, 826880), (4, 413440), (5, 330752), (8, 206720), (10, 165376), (16, 103360), (17, 97280), (19, 87040), (20, 82688), (32, 51680), (34, 48640), (38, 43520), (40, 41344), (64, 25840), (68, 24320), (76, 21760), (80, 20672), (85, 19456), (95, 17408), (128, 12920), (136, 12160), (152, 10880), (160, 10336), (170, 9728), (190, 8704), (256, 6460), (272, 6080), (304, 5440), (320, 5168), (323, 5120), (340, 4864), (380, 4352), (512, 3230), (544, 3040), (608, 2720), (640, 2584), (646, 2560), (680, 2432), (760, 2176), (1024, 1615), (1088, 1520), (1216, 1360), (1280, 1292)]