157313920

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{761}}^1$

素因数の和:816

約数の個数: 128

約数和(自身を含む): 419709600

約数和(自身を除く): 262395680

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, 380, 544, 608, 640, 646, 680, 760, 761, 1088, 1216, 1292, 1360, 1520, 1522, 1615, 2176, 2432, 2584, 2720, 3040, 3044, 3230, 3805, 5168, 5440, 6080, 6088, 6460, 7610, 10336, 10880, 12160, 12176, 12920, 12937, 14459, 15220, 20672, 24352, 25840, 25874, 28918, 30440, 41344, 48704, 51680, 51748, 57836, 60880, 64685, 72295, 97408, 103360, 103496, 115672, 121760, 129370, 144590, 206720, 206992, 231344, 243520, 245803, 258740, 289180, 413984, 462688, 487040, 491606, 517480, 578360, 827968, 925376, 983212, 1034960, 1156720, 1229015, 1655936, 1850752, 1966424, 2069920, 2313440, 2458030, 3932848, 4139840, 4626880, 4916060, 7865696, 8279680, 9253760, 9832120, 15731392, 19664240, 31462784, 39328480, 78656960, 157313920]

約数ペア:

[(1, 157313920), (2, 78656960), (4, 39328480), (5, 31462784), (8, 19664240), (10, 15731392), (16, 9832120), (17, 9253760), (19, 8279680), (20, 7865696), (32, 4916060), (34, 4626880), (38, 4139840), (40, 3932848), (64, 2458030), (68, 2313440), (76, 2069920), (80, 1966424), (85, 1850752), (95, 1655936), (128, 1229015), (136, 1156720), (152, 1034960), (160, 983212), (170, 925376), (190, 827968), (272, 578360), (304, 517480), (320, 491606), (323, 487040), (340, 462688), (380, 413984), (544, 289180), (608, 258740), (640, 245803), (646, 243520), (680, 231344), (760, 206992), (761, 206720), (1088, 144590), (1216, 129370), (1292, 121760), (1360, 115672), (1520, 103496), (1522, 103360), (1615, 97408), (2176, 72295), (2432, 64685), (2584, 60880), (2720, 57836), (3040, 51748), (3044, 51680), (3230, 48704), (3805, 41344), (5168, 30440), (5440, 28918), (6080, 25874), (6088, 25840), (6460, 24352), (7610, 20672), (10336, 15220), (10880, 14459), (12160, 12937), (12176, 12920)]