19764720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{283}}^1$

素因数の和:399

約数の個数: 120

約数和(自身を含む): 67297776

約数和(自身を除く): 47533056

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 97, 120, 144, 180, 194, 240, 283, 291, 360, 388, 485, 566, 582, 720, 776, 849, 873, 970, 1132, 1164, 1415, 1455, 1552, 1698, 1746, 1940, 2264, 2328, 2547, 2830, 2910, 3396, 3492, 3880, 4245, 4365, 4528, 4656, 5094, 5660, 5820, 6792, 6984, 7760, 8490, 8730, 10188, 11320, 11640, 12735, 13584, 13968, 16980, 17460, 20376, 22640, 23280, 25470, 27451, 33960, 34920, 40752, 50940, 54902, 67920, 69840, 82353, 101880, 109804, 137255, 164706, 203760, 219608, 247059, 274510, 329412, 411765, 439216, 494118, 549020, 658824, 823530, 988236, 1098040, 1235295, 1317648, 1647060, 1976472, 2196080, 2470590, 3294120, 3952944, 4941180, 6588240, 9882360, 19764720]

約数ペア:

[(1, 19764720), (2, 9882360), (3, 6588240), (4, 4941180), (5, 3952944), (6, 3294120), (8, 2470590), (9, 2196080), (10, 1976472), (12, 1647060), (15, 1317648), (16, 1235295), (18, 1098040), (20, 988236), (24, 823530), (30, 658824), (36, 549020), (40, 494118), (45, 439216), (48, 411765), (60, 329412), (72, 274510), (80, 247059), (90, 219608), (97, 203760), (120, 164706), (144, 137255), (180, 109804), (194, 101880), (240, 82353), (283, 69840), (291, 67920), (360, 54902), (388, 50940), (485, 40752), (566, 34920), (582, 33960), (720, 27451), (776, 25470), (849, 23280), (873, 22640), (970, 20376), (1132, 17460), (1164, 16980), (1415, 13968), (1455, 13584), (1552, 12735), (1698, 11640), (1746, 11320), (1940, 10188), (2264, 8730), (2328, 8490), (2547, 7760), (2830, 6984), (2910, 6792), (3396, 5820), (3492, 5660), (3880, 5094), (4245, 4656), (4365, 4528)]