1728490890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{1493}}^1$

素因数の和:1696

約数の個数: 128

約数和(自身を含む): 4905100800

約数和(自身を除く): 3176609910

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 37, 42, 70, 74, 105, 111, 149, 185, 210, 222, 259, 298, 370, 447, 518, 555, 745, 777, 894, 1043, 1110, 1295, 1490, 1493, 1554, 2086, 2235, 2590, 2986, 3129, 3885, 4470, 4479, 5215, 5513, 6258, 7465, 7770, 8958, 10430, 10451, 11026, 14930, 15645, 16539, 20902, 22395, 27565, 31290, 31353, 33078, 38591, 44790, 52255, 55130, 55241, 62706, 77182, 82695, 104510, 110482, 115773, 156765, 165390, 165723, 192955, 222457, 231546, 276205, 313530, 331446, 385910, 386687, 444914, 552410, 578865, 667371, 773374, 828615, 1112285, 1157730, 1160061, 1334742, 1557199, 1657230, 1933435, 2224570, 2320122, 3114398, 3336855, 3866870, 4671597, 5800305, 6673710, 7785995, 8230909, 9343194, 11600610, 15571990, 16461818, 23357985, 24692727, 41154545, 46715970, 49385454, 57616363, 82309090, 115232726, 123463635, 172849089, 246927270, 288081815, 345698178, 576163630, 864245445, 1728490890]

約数ペア:

[(1, 1728490890), (2, 864245445), (3, 576163630), (5, 345698178), (6, 288081815), (7, 246927270), (10, 172849089), (14, 123463635), (15, 115232726), (21, 82309090), (30, 57616363), (35, 49385454), (37, 46715970), (42, 41154545), (70, 24692727), (74, 23357985), (105, 16461818), (111, 15571990), (149, 11600610), (185, 9343194), (210, 8230909), (222, 7785995), (259, 6673710), (298, 5800305), (370, 4671597), (447, 3866870), (518, 3336855), (555, 3114398), (745, 2320122), (777, 2224570), (894, 1933435), (1043, 1657230), (1110, 1557199), (1295, 1334742), (1490, 1160061), (1493, 1157730), (1554, 1112285), (2086, 828615), (2235, 773374), (2590, 667371), (2986, 578865), (3129, 552410), (3885, 444914), (4470, 386687), (4479, 385910), (5215, 331446), (5513, 313530), (6258, 276205), (7465, 231546), (7770, 222457), (8958, 192955), (10430, 165723), (10451, 165390), (11026, 156765), (14930, 115773), (15645, 110482), (16539, 104510), (20902, 82695), (22395, 77182), (27565, 62706), (31290, 55241), (31353, 55130), (33078, 52255), (38591, 44790)]