78628160

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{461}}^1$

素因数の和:532

約数の個数: 112

約数和(自身を含む): 207001872

約数和(自身を除く): 128373712

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 41, 52, 64, 65, 80, 82, 104, 130, 160, 164, 205, 208, 260, 320, 328, 410, 416, 461, 520, 533, 656, 820, 832, 922, 1040, 1066, 1312, 1640, 1844, 2080, 2132, 2305, 2624, 2665, 3280, 3688, 4160, 4264, 4610, 5330, 5993, 6560, 7376, 8528, 9220, 10660, 11986, 13120, 14752, 17056, 18440, 18901, 21320, 23972, 29504, 29965, 34112, 36880, 37802, 42640, 47944, 59930, 73760, 75604, 85280, 94505, 95888, 119860, 147520, 151208, 170560, 189010, 191776, 239720, 245713, 302416, 378020, 383552, 479440, 491426, 604832, 756040, 958880, 982852, 1209664, 1228565, 1512080, 1917760, 1965704, 2457130, 3024160, 3931408, 4914260, 6048320, 7862816, 9828520, 15725632, 19657040, 39314080, 78628160]

約数ペア:

[(1, 78628160), (2, 39314080), (4, 19657040), (5, 15725632), (8, 9828520), (10, 7862816), (13, 6048320), (16, 4914260), (20, 3931408), (26, 3024160), (32, 2457130), (40, 1965704), (41, 1917760), (52, 1512080), (64, 1228565), (65, 1209664), (80, 982852), (82, 958880), (104, 756040), (130, 604832), (160, 491426), (164, 479440), (205, 383552), (208, 378020), (260, 302416), (320, 245713), (328, 239720), (410, 191776), (416, 189010), (461, 170560), (520, 151208), (533, 147520), (656, 119860), (820, 95888), (832, 94505), (922, 85280), (1040, 75604), (1066, 73760), (1312, 59930), (1640, 47944), (1844, 42640), (2080, 37802), (2132, 36880), (2305, 34112), (2624, 29965), (2665, 29504), (3280, 23972), (3688, 21320), (4160, 18901), (4264, 18440), (4610, 17056), (5330, 14752), (5993, 13120), (6560, 11986), (7376, 10660), (8528, 9220)]