18988320

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1$

素因数の和:227

約数の個数: 192

約数和(自身を含む): 68584320

約数和(自身を除く): 49596000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 17, 20, 24, 26, 30, 32, 34, 39, 40, 48, 51, 52, 60, 65, 68, 78, 80, 85, 96, 102, 104, 120, 130, 136, 156, 160, 170, 179, 195, 204, 208, 221, 240, 255, 260, 272, 312, 340, 358, 390, 408, 416, 442, 480, 510, 520, 537, 544, 624, 663, 680, 716, 780, 816, 884, 895, 1020, 1040, 1074, 1105, 1248, 1326, 1360, 1432, 1560, 1632, 1768, 1790, 2040, 2080, 2148, 2210, 2327, 2652, 2685, 2720, 2864, 3043, 3120, 3315, 3536, 3580, 4080, 4296, 4420, 4654, 5304, 5370, 5728, 6086, 6240, 6630, 6981, 7072, 7160, 8160, 8592, 8840, 9129, 9308, 10608, 10740, 11635, 12172, 13260, 13962, 14320, 15215, 17184, 17680, 18258, 18616, 21216, 21480, 23270, 24344, 26520, 27924, 28640, 30430, 34905, 35360, 36516, 37232, 39559, 42960, 45645, 46540, 48688, 53040, 55848, 60860, 69810, 73032, 74464, 79118, 85920, 91290, 93080, 97376, 106080, 111696, 118677, 121720, 139620, 146064, 158236, 182580, 186160, 197795, 223392, 237354, 243440, 279240, 292128, 316472, 365160, 372320, 395590, 474708, 486880, 558480, 593385, 632944, 730320, 791180, 949416, 1116960, 1186770, 1265888, 1460640, 1582360, 1898832, 2373540, 3164720, 3797664, 4747080, 6329440, 9494160, 18988320]

約数ペア:

[(1, 18988320), (2, 9494160), (3, 6329440), (4, 4747080), (5, 3797664), (6, 3164720), (8, 2373540), (10, 1898832), (12, 1582360), (13, 1460640), (15, 1265888), (16, 1186770), (17, 1116960), (20, 949416), (24, 791180), (26, 730320), (30, 632944), (32, 593385), (34, 558480), (39, 486880), (40, 474708), (48, 395590), (51, 372320), (52, 365160), (60, 316472), (65, 292128), (68, 279240), (78, 243440), (80, 237354), (85, 223392), (96, 197795), (102, 186160), (104, 182580), (120, 158236), (130, 146064), (136, 139620), (156, 121720), (160, 118677), (170, 111696), (179, 106080), (195, 97376), (204, 93080), (208, 91290), (221, 85920), (240, 79118), (255, 74464), (260, 73032), (272, 69810), (312, 60860), (340, 55848), (358, 53040), (390, 48688), (408, 46540), (416, 45645), (442, 42960), (480, 39559), (510, 37232), (520, 36516), (537, 35360), (544, 34905), (624, 30430), (663, 28640), (680, 27924), (716, 26520), (780, 24344), (816, 23270), (884, 21480), (895, 21216), (1020, 18616), (1040, 18258), (1074, 17680), (1105, 17184), (1248, 15215), (1326, 14320), (1360, 13962), (1432, 13260), (1560, 12172), (1632, 11635), (1768, 10740), (1790, 10608), (2040, 9308), (2080, 9129), (2148, 8840), (2210, 8592), (2327, 8160), (2652, 7160), (2685, 7072), (2720, 6981), (2864, 6630), (3043, 6240), (3120, 6086), (3315, 5728), (3536, 5370), (3580, 5304), (4080, 4654), (4296, 4420)]