78656960

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{761}}^1$

素因数の和:814

約数の個数: 112

約数和(自身を含む): 209031840

約数和(自身を除く): 130374880

約数列:

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

約数ペア:

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