123450880

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{83}}^2$

素因数の和:196

約数の個数: 120

約数和(自身を含む): 342402192

約数和(自身を除く): 218951312

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 83, 112, 128, 140, 160, 166, 224, 256, 280, 320, 332, 415, 448, 512, 560, 581, 640, 664, 830, 896, 1120, 1162, 1280, 1328, 1660, 1792, 2240, 2324, 2560, 2656, 2905, 3320, 3584, 4480, 4648, 5312, 5810, 6640, 6889, 8960, 9296, 10624, 11620, 13280, 13778, 17920, 18592, 21248, 23240, 26560, 27556, 34445, 37184, 42496, 46480, 48223, 53120, 55112, 68890, 74368, 92960, 96446, 106240, 110224, 137780, 148736, 185920, 192892, 212480, 220448, 241115, 275560, 297472, 371840, 385784, 440896, 482230, 551120, 743680, 771568, 881792, 964460, 1102240, 1487360, 1543136, 1763584, 1928920, 2204480, 3086272, 3527168, 3857840, 4408960, 6172544, 7715680, 8817920, 12345088, 15431360, 17635840, 24690176, 30862720, 61725440, 123450880]

約数ペア:

[(1, 123450880), (2, 61725440), (4, 30862720), (5, 24690176), (7, 17635840), (8, 15431360), (10, 12345088), (14, 8817920), (16, 7715680), (20, 6172544), (28, 4408960), (32, 3857840), (35, 3527168), (40, 3086272), (56, 2204480), (64, 1928920), (70, 1763584), (80, 1543136), (83, 1487360), (112, 1102240), (128, 964460), (140, 881792), (160, 771568), (166, 743680), (224, 551120), (256, 482230), (280, 440896), (320, 385784), (332, 371840), (415, 297472), (448, 275560), (512, 241115), (560, 220448), (581, 212480), (640, 192892), (664, 185920), (830, 148736), (896, 137780), (1120, 110224), (1162, 106240), (1280, 96446), (1328, 92960), (1660, 74368), (1792, 68890), (2240, 55112), (2324, 53120), (2560, 48223), (2656, 46480), (2905, 42496), (3320, 37184), (3584, 34445), (4480, 27556), (4648, 26560), (5312, 23240), (5810, 21248), (6640, 18592), (6889, 17920), (8960, 13778), (9296, 13280), (10624, 11620)]