78357760

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{277}}^1$

素因数の和:328

約数の個数: 144

約数和(自身を含む): 214791696

約数和(自身を除く): 136433936

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 64, 65, 68, 80, 85, 104, 128, 130, 136, 160, 170, 208, 221, 256, 260, 272, 277, 320, 340, 416, 442, 520, 544, 554, 640, 680, 832, 884, 1040, 1088, 1105, 1108, 1280, 1360, 1385, 1664, 1768, 2080, 2176, 2210, 2216, 2720, 2770, 3328, 3536, 3601, 4160, 4352, 4420, 4432, 4709, 5440, 5540, 7072, 7202, 8320, 8840, 8864, 9418, 10880, 11080, 14144, 14404, 16640, 17680, 17728, 18005, 18836, 21760, 22160, 23545, 28288, 28808, 35360, 35456, 36010, 37672, 44320, 47090, 56576, 57616, 61217, 70720, 70912, 72020, 75344, 88640, 94180, 115232, 122434, 141440, 144040, 150688, 177280, 188360, 230464, 244868, 282880, 288080, 301376, 306085, 354560, 376720, 460928, 489736, 576160, 602752, 612170, 753440, 921856, 979472, 1152320, 1205504, 1224340, 1506880, 1958944, 2304640, 2448680, 3013760, 3917888, 4609280, 4897360, 6027520, 7835776, 9794720, 15671552, 19589440, 39178880, 78357760]

約数ペア:

[(1, 78357760), (2, 39178880), (4, 19589440), (5, 15671552), (8, 9794720), (10, 7835776), (13, 6027520), (16, 4897360), (17, 4609280), (20, 3917888), (26, 3013760), (32, 2448680), (34, 2304640), (40, 1958944), (52, 1506880), (64, 1224340), (65, 1205504), (68, 1152320), (80, 979472), (85, 921856), (104, 753440), (128, 612170), (130, 602752), (136, 576160), (160, 489736), (170, 460928), (208, 376720), (221, 354560), (256, 306085), (260, 301376), (272, 288080), (277, 282880), (320, 244868), (340, 230464), (416, 188360), (442, 177280), (520, 150688), (544, 144040), (554, 141440), (640, 122434), (680, 115232), (832, 94180), (884, 88640), (1040, 75344), (1088, 72020), (1105, 70912), (1108, 70720), (1280, 61217), (1360, 57616), (1385, 56576), (1664, 47090), (1768, 44320), (2080, 37672), (2176, 36010), (2210, 35456), (2216, 35360), (2720, 28808), (2770, 28288), (3328, 23545), (3536, 22160), (3601, 21760), (4160, 18836), (4352, 18005), (4420, 17728), (4432, 17680), (4709, 16640), (5440, 14404), (5540, 14144), (7072, 11080), (7202, 10880), (8320, 9418), (8840, 8864)]