420304872

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{727}}^1$

素因数の和:875

約数の個数: 128

約数和(自身を含む): 1210809600

約数和(自身を除く): 790504728

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 17, 24, 26, 34, 39, 51, 52, 68, 78, 102, 104, 109, 136, 156, 204, 218, 221, 312, 327, 408, 436, 442, 654, 663, 727, 872, 884, 1308, 1326, 1417, 1454, 1768, 1853, 2181, 2616, 2652, 2834, 2908, 3706, 4251, 4362, 5304, 5559, 5668, 5816, 7412, 8502, 8724, 9451, 11118, 11336, 12359, 14824, 17004, 17448, 18902, 22236, 24089, 24718, 28353, 34008, 37077, 37804, 44472, 48178, 49436, 56706, 72267, 74154, 75608, 79243, 96356, 98872, 113412, 144534, 148308, 158486, 160667, 192712, 226824, 237729, 289068, 296616, 316972, 321334, 475458, 482001, 578136, 633944, 642668, 950916, 964002, 1030159, 1285336, 1347131, 1901832, 1928004, 2060318, 2694262, 3090477, 3856008, 4041393, 4120636, 5388524, 6180954, 8082786, 8241272, 10777048, 12361908, 16165572, 17512703, 24723816, 32331144, 35025406, 52538109, 70050812, 105076218, 140101624, 210152436, 420304872]

約数ペア:

[(1, 420304872), (2, 210152436), (3, 140101624), (4, 105076218), (6, 70050812), (8, 52538109), (12, 35025406), (13, 32331144), (17, 24723816), (24, 17512703), (26, 16165572), (34, 12361908), (39, 10777048), (51, 8241272), (52, 8082786), (68, 6180954), (78, 5388524), (102, 4120636), (104, 4041393), (109, 3856008), (136, 3090477), (156, 2694262), (204, 2060318), (218, 1928004), (221, 1901832), (312, 1347131), (327, 1285336), (408, 1030159), (436, 964002), (442, 950916), (654, 642668), (663, 633944), (727, 578136), (872, 482001), (884, 475458), (1308, 321334), (1326, 316972), (1417, 296616), (1454, 289068), (1768, 237729), (1853, 226824), (2181, 192712), (2616, 160667), (2652, 158486), (2834, 148308), (2908, 144534), (3706, 113412), (4251, 98872), (4362, 96356), (5304, 79243), (5559, 75608), (5668, 74154), (5816, 72267), (7412, 56706), (8502, 49436), (8724, 48178), (9451, 44472), (11118, 37804), (11336, 37077), (12359, 34008), (14824, 28353), (17004, 24718), (17448, 24089), (18902, 22236)]