28550340

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1$

素因数の和:128

約数の個数: 288

約数和(自身を含む): 112613760

約数和(自身を除く): 84063420

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 27, 28, 30, 35, 36, 39, 42, 45, 49, 52, 54, 60, 63, 65, 70, 78, 83, 84, 90, 91, 98, 105, 108, 117, 126, 130, 135, 140, 147, 156, 166, 180, 182, 189, 195, 196, 210, 234, 245, 249, 252, 260, 270, 273, 294, 315, 332, 351, 364, 378, 390, 415, 420, 441, 455, 468, 490, 498, 540, 546, 581, 585, 588, 630, 637, 702, 735, 747, 756, 780, 819, 830, 882, 910, 945, 980, 996, 1079, 1092, 1162, 1170, 1245, 1260, 1274, 1323, 1365, 1404, 1470, 1494, 1638, 1660, 1743, 1755, 1764, 1820, 1890, 1911, 2158, 2205, 2241, 2324, 2340, 2457, 2490, 2548, 2646, 2730, 2905, 2940, 2988, 3185, 3237, 3276, 3486, 3510, 3735, 3780, 3822, 4067, 4095, 4316, 4410, 4482, 4914, 4980, 5229, 5292, 5395, 5460, 5733, 5810, 6370, 6474, 6615, 6972, 7020, 7470, 7553, 7644, 8134, 8190, 8715, 8820, 8964, 9555, 9711, 9828, 10458, 10790, 11205, 11466, 11620, 12201, 12285, 12740, 12948, 13230, 14940, 15106, 15687, 16185, 16268, 16380, 17199, 17430, 19110, 19422, 20335, 20916, 21580, 22410, 22659, 22932, 24402, 24570, 26145, 26460, 28665, 29133, 30212, 31374, 32370, 34398, 34860, 36603, 37765, 38220, 38844, 40670, 44820, 45318, 48555, 48804, 49140, 52290, 52871, 57330, 58266, 61005, 62748, 64740, 67977, 68796, 73206, 75530, 78435, 81340, 85995, 90636, 97110, 104580, 105742, 109809, 113295, 114660, 116532, 122010, 135954, 145665, 146412, 151060, 156870, 158613, 171990, 183015, 194220, 203931, 211484, 219618, 226590, 244020, 264355, 271908, 291330, 313740, 317226, 339885, 343980, 366030, 407862, 439236, 453180, 475839, 528710, 549045, 582660, 634452, 679770, 732060, 793065, 815724, 951678, 1019655, 1057420, 1098090, 1359540, 1427517, 1586130, 1903356, 2039310, 2196180, 2379195, 2855034, 3172260, 4078620, 4758390, 5710068, 7137585, 9516780, 14275170, 28550340]

約数ペア:

[(1, 28550340), (2, 14275170), (3, 9516780), (4, 7137585), (5, 5710068), (6, 4758390), (7, 4078620), (9, 3172260), (10, 2855034), (12, 2379195), (13, 2196180), (14, 2039310), (15, 1903356), (18, 1586130), (20, 1427517), (21, 1359540), (26, 1098090), (27, 1057420), (28, 1019655), (30, 951678), (35, 815724), (36, 793065), (39, 732060), (42, 679770), (45, 634452), (49, 582660), (52, 549045), (54, 528710), (60, 475839), (63, 453180), (65, 439236), (70, 407862), (78, 366030), (83, 343980), (84, 339885), (90, 317226), (91, 313740), (98, 291330), (105, 271908), (108, 264355), (117, 244020), (126, 226590), (130, 219618), (135, 211484), (140, 203931), (147, 194220), (156, 183015), (166, 171990), (180, 158613), (182, 156870), (189, 151060), (195, 146412), (196, 145665), (210, 135954), (234, 122010), (245, 116532), (249, 114660), (252, 113295), (260, 109809), (270, 105742), (273, 104580), (294, 97110), (315, 90636), (332, 85995), (351, 81340), (364, 78435), (378, 75530), (390, 73206), (415, 68796), (420, 67977), (441, 64740), (455, 62748), (468, 61005), (490, 58266), (498, 57330), (540, 52871), (546, 52290), (581, 49140), (585, 48804), (588, 48555), (630, 45318), (637, 44820), (702, 40670), (735, 38844), (747, 38220), (756, 37765), (780, 36603), (819, 34860), (830, 34398), (882, 32370), (910, 31374), (945, 30212), (980, 29133), (996, 28665), (1079, 26460), (1092, 26145), (1162, 24570), (1170, 24402), (1245, 22932), (1260, 22659), (1274, 22410), (1323, 21580), (1365, 20916), (1404, 20335), (1470, 19422), (1494, 19110), (1638, 17430), (1660, 17199), (1743, 16380), (1755, 16268), (1764, 16185), (1820, 15687), (1890, 15106), (1911, 14940), (2158, 13230), (2205, 12948), (2241, 12740), (2324, 12285), (2340, 12201), (2457, 11620), (2490, 11466), (2548, 11205), (2646, 10790), (2730, 10458), (2905, 9828), (2940, 9711), (2988, 9555), (3185, 8964), (3237, 8820), (3276, 8715), (3486, 8190), (3510, 8134), (3735, 7644), (3780, 7553), (3822, 7470), (4067, 7020), (4095, 6972), (4316, 6615), (4410, 6474), (4482, 6370), (4914, 5810), (4980, 5733), (5229, 5460), (5292, 5395)]