421729380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:207

約数の個数: 216

約数和(自身を含む): 1381668288

約数和(自身を除く): 959938908

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 43, 45, 46, 60, 69, 86, 90, 92, 103, 115, 129, 138, 172, 180, 206, 207, 215, 230, 258, 276, 309, 345, 387, 412, 414, 430, 460, 515, 516, 529, 618, 645, 690, 774, 828, 860, 927, 989, 1030, 1035, 1058, 1236, 1290, 1380, 1545, 1548, 1587, 1854, 1935, 1978, 2060, 2070, 2116, 2369, 2580, 2645, 2967, 3090, 3174, 3708, 3870, 3956, 4140, 4429, 4635, 4738, 4761, 4945, 5290, 5934, 6180, 6348, 7107, 7740, 7935, 8858, 8901, 9270, 9476, 9522, 9890, 10580, 11845, 11868, 13287, 14214, 14835, 15870, 17716, 17802, 18540, 19044, 19780, 21321, 22145, 22747, 23690, 23805, 26574, 28428, 29670, 31740, 35535, 35604, 39861, 42642, 44290, 44505, 45494, 47380, 47610, 53148, 54487, 59340, 66435, 68241, 71070, 79722, 85284, 88580, 89010, 90988, 95220, 101867, 106605, 108974, 113735, 132870, 136482, 142140, 159444, 163461, 178020, 199305, 203734, 204723, 213210, 217948, 227470, 265740, 272435, 272964, 305601, 326922, 341205, 398610, 407468, 409446, 426420, 454940, 490383, 509335, 544870, 611202, 653844, 682410, 797220, 817305, 818892, 916803, 980766, 1018670, 1023615, 1089740, 1222404, 1364820, 1528005, 1634610, 1833606, 1961532, 2037340, 2047230, 2342941, 2451915, 3056010, 3269220, 3667212, 4094460, 4584015, 4685882, 4903830, 6112020, 7028823, 9168030, 9371764, 9807660, 11714705, 14057646, 18336060, 21086469, 23429410, 28115292, 35144115, 42172938, 46858820, 70288230, 84345876, 105432345, 140576460, 210864690, 421729380]

約数ペア:

[(1, 421729380), (2, 210864690), (3, 140576460), (4, 105432345), (5, 84345876), (6, 70288230), (9, 46858820), (10, 42172938), (12, 35144115), (15, 28115292), (18, 23429410), (20, 21086469), (23, 18336060), (30, 14057646), (36, 11714705), (43, 9807660), (45, 9371764), (46, 9168030), (60, 7028823), (69, 6112020), (86, 4903830), (90, 4685882), (92, 4584015), (103, 4094460), (115, 3667212), (129, 3269220), (138, 3056010), (172, 2451915), (180, 2342941), (206, 2047230), (207, 2037340), (215, 1961532), (230, 1833606), (258, 1634610), (276, 1528005), (309, 1364820), (345, 1222404), (387, 1089740), (412, 1023615), (414, 1018670), (430, 980766), (460, 916803), (515, 818892), (516, 817305), (529, 797220), (618, 682410), (645, 653844), (690, 611202), (774, 544870), (828, 509335), (860, 490383), (927, 454940), (989, 426420), (1030, 409446), (1035, 407468), (1058, 398610), (1236, 341205), (1290, 326922), (1380, 305601), (1545, 272964), (1548, 272435), (1587, 265740), (1854, 227470), (1935, 217948), (1978, 213210), (2060, 204723), (2070, 203734), (2116, 199305), (2369, 178020), (2580, 163461), (2645, 159444), (2967, 142140), (3090, 136482), (3174, 132870), (3708, 113735), (3870, 108974), (3956, 106605), (4140, 101867), (4429, 95220), (4635, 90988), (4738, 89010), (4761, 88580), (4945, 85284), (5290, 79722), (5934, 71070), (6180, 68241), (6348, 66435), (7107, 59340), (7740, 54487), (7935, 53148), (8858, 47610), (8901, 47380), (9270, 45494), (9476, 44505), (9522, 44290), (9890, 42642), (10580, 39861), (11845, 35604), (11868, 35535), (13287, 31740), (14214, 29670), (14835, 28428), (15870, 26574), (17716, 23805), (17802, 23690), (18540, 22747), (19044, 22145), (19780, 21321)]