87981120

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{599}}^1$

素因数の和:642

約数の個数: 224

約数和(自身を含む): 329184000

約数和(自身を除く): 241202880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 32, 34, 36, 40, 45, 48, 51, 54, 60, 64, 68, 72, 80, 85, 90, 96, 102, 108, 120, 135, 136, 144, 153, 160, 170, 180, 192, 204, 216, 240, 255, 270, 272, 288, 306, 320, 340, 360, 408, 432, 459, 480, 510, 540, 544, 576, 599, 612, 680, 720, 765, 816, 864, 918, 960, 1020, 1080, 1088, 1198, 1224, 1360, 1440, 1530, 1632, 1728, 1797, 1836, 2040, 2160, 2295, 2396, 2448, 2720, 2880, 2995, 3060, 3264, 3594, 3672, 4080, 4320, 4590, 4792, 4896, 5391, 5440, 5990, 6120, 7188, 7344, 8160, 8640, 8985, 9180, 9584, 9792, 10183, 10782, 11980, 12240, 14376, 14688, 16173, 16320, 17970, 18360, 19168, 20366, 21564, 23960, 24480, 26955, 28752, 29376, 30549, 32346, 35940, 36720, 38336, 40732, 43128, 47920, 48960, 50915, 53910, 57504, 61098, 64692, 71880, 73440, 80865, 81464, 86256, 91647, 95840, 101830, 107820, 115008, 122196, 129384, 143760, 146880, 152745, 161730, 162928, 172512, 183294, 191680, 203660, 215640, 244392, 258768, 274941, 287520, 305490, 323460, 325856, 345024, 366588, 407320, 431280, 458235, 488784, 517536, 549882, 575040, 610980, 646920, 651712, 733176, 814640, 862560, 916470, 977568, 1035072, 1099764, 1221960, 1293840, 1374705, 1466352, 1629280, 1725120, 1832940, 1955136, 2199528, 2443920, 2587680, 2749410, 2932704, 3258560, 3665880, 4399056, 4887840, 5175360, 5498820, 5865408, 7331760, 8798112, 9775680, 10997640, 14663520, 17596224, 21995280, 29327040, 43990560, 87981120]

約数ペア:

[(1, 87981120), (2, 43990560), (3, 29327040), (4, 21995280), (5, 17596224), (6, 14663520), (8, 10997640), (9, 9775680), (10, 8798112), (12, 7331760), (15, 5865408), (16, 5498820), (17, 5175360), (18, 4887840), (20, 4399056), (24, 3665880), (27, 3258560), (30, 2932704), (32, 2749410), (34, 2587680), (36, 2443920), (40, 2199528), (45, 1955136), (48, 1832940), (51, 1725120), (54, 1629280), (60, 1466352), (64, 1374705), (68, 1293840), (72, 1221960), (80, 1099764), (85, 1035072), (90, 977568), (96, 916470), (102, 862560), (108, 814640), (120, 733176), (135, 651712), (136, 646920), (144, 610980), (153, 575040), (160, 549882), (170, 517536), (180, 488784), (192, 458235), (204, 431280), (216, 407320), (240, 366588), (255, 345024), (270, 325856), (272, 323460), (288, 305490), (306, 287520), (320, 274941), (340, 258768), (360, 244392), (408, 215640), (432, 203660), (459, 191680), (480, 183294), (510, 172512), (540, 162928), (544, 161730), (576, 152745), (599, 146880), (612, 143760), (680, 129384), (720, 122196), (765, 115008), (816, 107820), (864, 101830), (918, 95840), (960, 91647), (1020, 86256), (1080, 81464), (1088, 80865), (1198, 73440), (1224, 71880), (1360, 64692), (1440, 61098), (1530, 57504), (1632, 53910), (1728, 50915), (1797, 48960), (1836, 47920), (2040, 43128), (2160, 40732), (2295, 38336), (2396, 36720), (2448, 35940), (2720, 32346), (2880, 30549), (2995, 29376), (3060, 28752), (3264, 26955), (3594, 24480), (3672, 23960), (4080, 21564), (4320, 20366), (4590, 19168), (4792, 18360), (4896, 17970), (5391, 16320), (5440, 16173), (5990, 14688), (6120, 14376), (7188, 12240), (7344, 11980), (8160, 10782), (8640, 10183), (8985, 9792), (9180, 9584)]