131971680

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{599}}^1$

素因数の和:643

約数の個数: 240

約数和(自身を含む): 493970400

約数和(自身を除く): 361998720

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, 68, 72, 80, 81, 85, 90, 96, 102, 108, 120, 135, 136, 144, 153, 160, 162, 170, 180, 204, 216, 240, 255, 270, 272, 288, 306, 324, 340, 360, 405, 408, 432, 459, 480, 510, 540, 544, 599, 612, 648, 680, 720, 765, 810, 816, 864, 918, 1020, 1080, 1198, 1224, 1296, 1360, 1377, 1440, 1530, 1620, 1632, 1797, 1836, 2040, 2160, 2295, 2396, 2448, 2592, 2720, 2754, 2995, 3060, 3240, 3594, 3672, 4080, 4320, 4590, 4792, 4896, 5391, 5508, 5990, 6120, 6480, 6885, 7188, 7344, 8160, 8985, 9180, 9584, 10183, 10782, 11016, 11980, 12240, 12960, 13770, 14376, 14688, 16173, 17970, 18360, 19168, 20366, 21564, 22032, 23960, 24480, 26955, 27540, 28752, 30549, 32346, 35940, 36720, 40732, 43128, 44064, 47920, 48519, 50915, 53910, 55080, 57504, 61098, 64692, 71880, 73440, 80865, 81464, 86256, 91647, 95840, 97038, 101830, 107820, 110160, 122196, 129384, 143760, 152745, 161730, 162928, 172512, 183294, 194076, 203660, 215640, 220320, 242595, 244392, 258768, 274941, 287520, 305490, 323460, 325856, 366588, 388152, 407320, 431280, 458235, 485190, 488784, 517536, 549882, 610980, 646920, 733176, 776304, 814640, 824823, 862560, 916470, 970380, 977568, 1099764, 1221960, 1293840, 1374705, 1466352, 1552608, 1629280, 1649646, 1832940, 1940760, 2199528, 2443920, 2587680, 2749410, 2932704, 3299292, 3665880, 3881520, 4124115, 4399056, 4887840, 5498820, 6598584, 7331760, 7763040, 8248230, 8798112, 10997640, 13197168, 14663520, 16496460, 21995280, 26394336, 32992920, 43990560, 65985840, 131971680]

約数ペア:

[(1, 131971680), (2, 65985840), (3, 43990560), (4, 32992920), (5, 26394336), (6, 21995280), (8, 16496460), (9, 14663520), (10, 13197168), (12, 10997640), (15, 8798112), (16, 8248230), (17, 7763040), (18, 7331760), (20, 6598584), (24, 5498820), (27, 4887840), (30, 4399056), (32, 4124115), (34, 3881520), (36, 3665880), (40, 3299292), (45, 2932704), (48, 2749410), (51, 2587680), (54, 2443920), (60, 2199528), (68, 1940760), (72, 1832940), (80, 1649646), (81, 1629280), (85, 1552608), (90, 1466352), (96, 1374705), (102, 1293840), (108, 1221960), (120, 1099764), (135, 977568), (136, 970380), (144, 916470), (153, 862560), (160, 824823), (162, 814640), (170, 776304), (180, 733176), (204, 646920), (216, 610980), (240, 549882), (255, 517536), (270, 488784), (272, 485190), (288, 458235), (306, 431280), (324, 407320), (340, 388152), (360, 366588), (405, 325856), (408, 323460), (432, 305490), (459, 287520), (480, 274941), (510, 258768), (540, 244392), (544, 242595), (599, 220320), (612, 215640), (648, 203660), (680, 194076), (720, 183294), (765, 172512), (810, 162928), (816, 161730), (864, 152745), (918, 143760), (1020, 129384), (1080, 122196), (1198, 110160), (1224, 107820), (1296, 101830), (1360, 97038), (1377, 95840), (1440, 91647), (1530, 86256), (1620, 81464), (1632, 80865), (1797, 73440), (1836, 71880), (2040, 64692), (2160, 61098), (2295, 57504), (2396, 55080), (2448, 53910), (2592, 50915), (2720, 48519), (2754, 47920), (2995, 44064), (3060, 43128), (3240, 40732), (3594, 36720), (3672, 35940), (4080, 32346), (4320, 30549), (4590, 28752), (4792, 27540), (4896, 26955), (5391, 24480), (5508, 23960), (5990, 22032), (6120, 21564), (6480, 20366), (6885, 19168), (7188, 18360), (7344, 17970), (8160, 16173), (8985, 14688), (9180, 14376), (9584, 13770), (10183, 12960), (10782, 12240), (11016, 11980)]