28030860

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{11}}^3\times {\mathrm{13}}^1$

素因数の和:67

約数の個数: 240

約数和(自身を含む): 104160672

約数和(自身を除く): 76129812

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 15, 18, 20, 22, 26, 27, 30, 33, 36, 39, 44, 45, 52, 54, 55, 60, 65, 66, 78, 81, 90, 99, 108, 110, 117, 121, 130, 132, 135, 143, 156, 162, 165, 180, 195, 198, 220, 234, 242, 260, 270, 286, 297, 324, 330, 351, 363, 390, 396, 405, 429, 468, 484, 495, 540, 572, 585, 594, 605, 660, 702, 715, 726, 780, 810, 858, 891, 990, 1053, 1089, 1170, 1188, 1210, 1287, 1331, 1404, 1430, 1452, 1485, 1573, 1620, 1716, 1755, 1782, 1815, 1980, 2106, 2145, 2178, 2340, 2420, 2574, 2662, 2860, 2970, 3146, 3267, 3510, 3564, 3630, 3861, 3993, 4212, 4290, 4356, 4455, 4719, 5148, 5265, 5324, 5445, 5940, 6292, 6435, 6534, 6655, 7020, 7260, 7722, 7865, 7986, 8580, 8910, 9438, 9801, 10530, 10890, 11583, 11979, 12870, 13068, 13310, 14157, 15444, 15730, 15972, 16335, 17303, 17820, 18876, 19305, 19602, 19965, 21060, 21780, 23166, 23595, 23958, 25740, 26620, 28314, 31460, 32670, 34606, 35937, 38610, 39204, 39930, 42471, 46332, 47190, 47916, 49005, 51909, 56628, 57915, 59895, 65340, 69212, 70785, 71874, 77220, 79860, 84942, 86515, 94380, 98010, 103818, 107811, 115830, 119790, 127413, 141570, 143748, 155727, 169884, 173030, 179685, 196020, 207636, 212355, 215622, 231660, 239580, 254826, 259545, 283140, 311454, 346060, 359370, 424710, 431244, 467181, 509652, 519090, 539055, 622908, 637065, 718740, 778635, 849420, 934362, 1038180, 1078110, 1274130, 1401543, 1557270, 1868724, 2156220, 2335905, 2548260, 2803086, 3114540, 4671810, 5606172, 7007715, 9343620, 14015430, 28030860]

約数ペア:

[(1, 28030860), (2, 14015430), (3, 9343620), (4, 7007715), (5, 5606172), (6, 4671810), (9, 3114540), (10, 2803086), (11, 2548260), (12, 2335905), (13, 2156220), (15, 1868724), (18, 1557270), (20, 1401543), (22, 1274130), (26, 1078110), (27, 1038180), (30, 934362), (33, 849420), (36, 778635), (39, 718740), (44, 637065), (45, 622908), (52, 539055), (54, 519090), (55, 509652), (60, 467181), (65, 431244), (66, 424710), (78, 359370), (81, 346060), (90, 311454), (99, 283140), (108, 259545), (110, 254826), (117, 239580), (121, 231660), (130, 215622), (132, 212355), (135, 207636), (143, 196020), (156, 179685), (162, 173030), (165, 169884), (180, 155727), (195, 143748), (198, 141570), (220, 127413), (234, 119790), (242, 115830), (260, 107811), (270, 103818), (286, 98010), (297, 94380), (324, 86515), (330, 84942), (351, 79860), (363, 77220), (390, 71874), (396, 70785), (405, 69212), (429, 65340), (468, 59895), (484, 57915), (495, 56628), (540, 51909), (572, 49005), (585, 47916), (594, 47190), (605, 46332), (660, 42471), (702, 39930), (715, 39204), (726, 38610), (780, 35937), (810, 34606), (858, 32670), (891, 31460), (990, 28314), (1053, 26620), (1089, 25740), (1170, 23958), (1188, 23595), (1210, 23166), (1287, 21780), (1331, 21060), (1404, 19965), (1430, 19602), (1452, 19305), (1485, 18876), (1573, 17820), (1620, 17303), (1716, 16335), (1755, 15972), (1782, 15730), (1815, 15444), (1980, 14157), (2106, 13310), (2145, 13068), (2178, 12870), (2340, 11979), (2420, 11583), (2574, 10890), (2662, 10530), (2860, 9801), (2970, 9438), (3146, 8910), (3267, 8580), (3510, 7986), (3564, 7865), (3630, 7722), (3861, 7260), (3993, 7020), (4212, 6655), (4290, 6534), (4356, 6435), (4455, 6292), (4719, 5940), (5148, 5445), (5265, 5324)]