389151720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1093}}^1$

素因数の和:1176

約数の個数: 192

約数和(自身を含む): 1351658880

約数和(自身を除く): 962507160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 40, 43, 45, 46, 60, 69, 72, 86, 90, 92, 115, 120, 129, 138, 172, 180, 184, 207, 215, 230, 258, 276, 344, 345, 360, 387, 414, 430, 460, 516, 552, 645, 690, 774, 828, 860, 920, 989, 1032, 1035, 1093, 1290, 1380, 1548, 1656, 1720, 1935, 1978, 2070, 2186, 2580, 2760, 2967, 3096, 3279, 3870, 3956, 4140, 4372, 4945, 5160, 5465, 5934, 6558, 7740, 7912, 8280, 8744, 8901, 9837, 9890, 10930, 11868, 13116, 14835, 15480, 16395, 17802, 19674, 19780, 21860, 23736, 25139, 26232, 29670, 32790, 35604, 39348, 39560, 43720, 44505, 46999, 49185, 50278, 59340, 65580, 71208, 75417, 78696, 89010, 93998, 98370, 100556, 118680, 125695, 131160, 140997, 150834, 178020, 187996, 196740, 201112, 226251, 234995, 251390, 281994, 301668, 356040, 375992, 377085, 393480, 422991, 452502, 469990, 502780, 563988, 603336, 704985, 754170, 845982, 905004, 939980, 1005560, 1080977, 1127976, 1131255, 1409970, 1508340, 1691964, 1810008, 1879960, 2114955, 2161954, 2262510, 2819940, 3016680, 3242931, 3383928, 4229910, 4323908, 4525020, 5404885, 5639880, 6485862, 8459820, 8647816, 9050040, 9728793, 10809770, 12971724, 16214655, 16919640, 19457586, 21619540, 25943448, 32429310, 38915172, 43239080, 48643965, 64858620, 77830344, 97287930, 129717240, 194575860, 389151720]

約数ペア:

[(1, 389151720), (2, 194575860), (3, 129717240), (4, 97287930), (5, 77830344), (6, 64858620), (8, 48643965), (9, 43239080), (10, 38915172), (12, 32429310), (15, 25943448), (18, 21619540), (20, 19457586), (23, 16919640), (24, 16214655), (30, 12971724), (36, 10809770), (40, 9728793), (43, 9050040), (45, 8647816), (46, 8459820), (60, 6485862), (69, 5639880), (72, 5404885), (86, 4525020), (90, 4323908), (92, 4229910), (115, 3383928), (120, 3242931), (129, 3016680), (138, 2819940), (172, 2262510), (180, 2161954), (184, 2114955), (207, 1879960), (215, 1810008), (230, 1691964), (258, 1508340), (276, 1409970), (344, 1131255), (345, 1127976), (360, 1080977), (387, 1005560), (414, 939980), (430, 905004), (460, 845982), (516, 754170), (552, 704985), (645, 603336), (690, 563988), (774, 502780), (828, 469990), (860, 452502), (920, 422991), (989, 393480), (1032, 377085), (1035, 375992), (1093, 356040), (1290, 301668), (1380, 281994), (1548, 251390), (1656, 234995), (1720, 226251), (1935, 201112), (1978, 196740), (2070, 187996), (2186, 178020), (2580, 150834), (2760, 140997), (2967, 131160), (3096, 125695), (3279, 118680), (3870, 100556), (3956, 98370), (4140, 93998), (4372, 89010), (4945, 78696), (5160, 75417), (5465, 71208), (5934, 65580), (6558, 59340), (7740, 50278), (7912, 49185), (8280, 46999), (8744, 44505), (8901, 43720), (9837, 39560), (9890, 39348), (10930, 35604), (11868, 32790), (13116, 29670), (14835, 26232), (15480, 25139), (16395, 23736), (17802, 21860), (19674, 19780)]