123783520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1399}}^1$

素因数の和:1500

約数の個数: 96

約数和(自身を含む): 338688000

約数和(自身を除く): 214904480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 79, 80, 112, 140, 158, 160, 224, 280, 316, 395, 553, 560, 632, 790, 1106, 1120, 1264, 1399, 1580, 2212, 2528, 2765, 2798, 3160, 4424, 5530, 5596, 6320, 6995, 8848, 9793, 11060, 11192, 12640, 13990, 17696, 19586, 22120, 22384, 27980, 39172, 44240, 44768, 48965, 55960, 78344, 88480, 97930, 110521, 111920, 156688, 195860, 221042, 223840, 313376, 391720, 442084, 552605, 773647, 783440, 884168, 1105210, 1547294, 1566880, 1768336, 2210420, 3094588, 3536672, 3868235, 4420840, 6189176, 7736470, 8841680, 12378352, 15472940, 17683360, 24756704, 30945880, 61891760, 123783520]

約数ペア:

[(1, 123783520), (2, 61891760), (4, 30945880), (5, 24756704), (7, 17683360), (8, 15472940), (10, 12378352), (14, 8841680), (16, 7736470), (20, 6189176), (28, 4420840), (32, 3868235), (35, 3536672), (40, 3094588), (56, 2210420), (70, 1768336), (79, 1566880), (80, 1547294), (112, 1105210), (140, 884168), (158, 783440), (160, 773647), (224, 552605), (280, 442084), (316, 391720), (395, 313376), (553, 223840), (560, 221042), (632, 195860), (790, 156688), (1106, 111920), (1120, 110521), (1264, 97930), (1399, 88480), (1580, 78344), (2212, 55960), (2528, 48965), (2765, 44768), (2798, 44240), (3160, 39172), (4424, 27980), (5530, 22384), (5596, 22120), (6320, 19586), (6995, 17696), (8848, 13990), (9793, 12640), (11060, 11192)]