18703440

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{1237}}^1$

素因数の和:1266

約数の個数: 160

約数和(自身を含む): 73685760

約数和(自身を除く): 54982320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1237, 1260, 1512, 1680, 1890, 2160, 2474, 2520, 3024, 3711, 3780, 4948, 5040, 6185, 7422, 7560, 8659, 9896, 11133, 12370, 14844, 15120, 17318, 18555, 19792, 22266, 24740, 25977, 29688, 33399, 34636, 37110, 43295, 44532, 49480, 51954, 55665, 59376, 66798, 69272, 74220, 77931, 86590, 89064, 98960, 103908, 111330, 129885, 133596, 138544, 148440, 155862, 166995, 173180, 178128, 207816, 222660, 233793, 259770, 267192, 296880, 311724, 333990, 346360, 389655, 415632, 445320, 467586, 519540, 534384, 623448, 667980, 692720, 779310, 890640, 935172, 1039080, 1168965, 1246896, 1335960, 1558620, 1870344, 2078160, 2337930, 2671920, 3117240, 3740688, 4675860, 6234480, 9351720, 18703440]

約数ペア:

[(1, 18703440), (2, 9351720), (3, 6234480), (4, 4675860), (5, 3740688), (6, 3117240), (7, 2671920), (8, 2337930), (9, 2078160), (10, 1870344), (12, 1558620), (14, 1335960), (15, 1246896), (16, 1168965), (18, 1039080), (20, 935172), (21, 890640), (24, 779310), (27, 692720), (28, 667980), (30, 623448), (35, 534384), (36, 519540), (40, 467586), (42, 445320), (45, 415632), (48, 389655), (54, 346360), (56, 333990), (60, 311724), (63, 296880), (70, 267192), (72, 259770), (80, 233793), (84, 222660), (90, 207816), (105, 178128), (108, 173180), (112, 166995), (120, 155862), (126, 148440), (135, 138544), (140, 133596), (144, 129885), (168, 111330), (180, 103908), (189, 98960), (210, 89064), (216, 86590), (240, 77931), (252, 74220), (270, 69272), (280, 66798), (315, 59376), (336, 55665), (360, 51954), (378, 49480), (420, 44532), (432, 43295), (504, 37110), (540, 34636), (560, 33399), (630, 29688), (720, 25977), (756, 24740), (840, 22266), (945, 19792), (1008, 18555), (1080, 17318), (1237, 15120), (1260, 14844), (1512, 12370), (1680, 11133), (1890, 9896), (2160, 8659), (2474, 7560), (2520, 7422), (3024, 6185), (3711, 5040), (3780, 4948)]