128734920

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{39733}}^1$

素因数の和:39756

約数の個数: 80

約数和(自身を含む): 432703260

約数和(自身を除く): 303968340

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 39733, 79466, 119199, 158932, 198665, 238398, 317864, 357597, 397330, 476796, 595995, 715194, 794660, 953592, 1072791, 1191990, 1430388, 1589320, 1787985, 2145582, 2383980, 2860776, 3218373, 3575970, 4291164, 4767960, 5363955, 6436746, 7151940, 8582328, 10727910, 12873492, 14303880, 16091865, 21455820, 25746984, 32183730, 42911640, 64367460, 128734920]

約数ペア:

[(1, 128734920), (2, 64367460), (3, 42911640), (4, 32183730), (5, 25746984), (6, 21455820), (8, 16091865), (9, 14303880), (10, 12873492), (12, 10727910), (15, 8582328), (18, 7151940), (20, 6436746), (24, 5363955), (27, 4767960), (30, 4291164), (36, 3575970), (40, 3218373), (45, 2860776), (54, 2383980), (60, 2145582), (72, 1787985), (81, 1589320), (90, 1430388), (108, 1191990), (120, 1072791), (135, 953592), (162, 794660), (180, 715194), (216, 595995), (270, 476796), (324, 397330), (360, 357597), (405, 317864), (540, 238398), (648, 198665), (810, 158932), (1080, 119199), (1620, 79466), (3240, 39733)]