28408380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1$

素因数の和:97

約数の個数: 288

約数和(自身を含む): 110111232

約数和(自身を除く): 81702852

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 13, 14, 15, 20, 21, 22, 26, 28, 30, 33, 35, 39, 42, 43, 44, 52, 55, 60, 65, 66, 70, 77, 78, 84, 86, 91, 105, 110, 121, 129, 130, 132, 140, 143, 154, 156, 165, 172, 182, 195, 210, 215, 220, 231, 242, 258, 260, 273, 286, 301, 308, 330, 363, 364, 385, 390, 420, 429, 430, 455, 462, 473, 484, 516, 546, 559, 572, 602, 605, 645, 660, 715, 726, 770, 780, 847, 858, 860, 903, 910, 924, 946, 1001, 1092, 1118, 1155, 1204, 1210, 1290, 1365, 1419, 1430, 1452, 1505, 1540, 1573, 1677, 1694, 1716, 1806, 1815, 1820, 1892, 2002, 2145, 2236, 2310, 2365, 2420, 2541, 2580, 2730, 2795, 2838, 2860, 3003, 3010, 3146, 3311, 3354, 3388, 3612, 3630, 3913, 4004, 4235, 4290, 4515, 4620, 4719, 4730, 5005, 5082, 5203, 5460, 5590, 5676, 6006, 6020, 6149, 6292, 6622, 6708, 7095, 7260, 7826, 7865, 8385, 8470, 8580, 9030, 9438, 9460, 9933, 10010, 10164, 10406, 11011, 11180, 11739, 12012, 12298, 12705, 13244, 14190, 15015, 15609, 15652, 15730, 16555, 16770, 16940, 18060, 18447, 18876, 19565, 19866, 20020, 20812, 22022, 23478, 23595, 24596, 25410, 26015, 28380, 30030, 30745, 31218, 31460, 33033, 33110, 33540, 36421, 36894, 39130, 39732, 43043, 44044, 46956, 47190, 49665, 50820, 52030, 55055, 58695, 60060, 61490, 62436, 66066, 66220, 67639, 72842, 73788, 78045, 78260, 86086, 92235, 94380, 99330, 104060, 109263, 110110, 117390, 122980, 129129, 132132, 135278, 145684, 156090, 165165, 172172, 182105, 184470, 198660, 202917, 215215, 218526, 220220, 234780, 258258, 270556, 312180, 330330, 338195, 364210, 368940, 405834, 430430, 437052, 473473, 516516, 546315, 645645, 660660, 676390, 728420, 811668, 860860, 946946, 1014585, 1092630, 1291290, 1352780, 1420419, 1893892, 2029170, 2185260, 2367365, 2582580, 2840838, 4058340, 4734730, 5681676, 7102095, 9469460, 14204190, 28408380]

約数ペア:

[(1, 28408380), (2, 14204190), (3, 9469460), (4, 7102095), (5, 5681676), (6, 4734730), (7, 4058340), (10, 2840838), (11, 2582580), (12, 2367365), (13, 2185260), (14, 2029170), (15, 1893892), (20, 1420419), (21, 1352780), (22, 1291290), (26, 1092630), (28, 1014585), (30, 946946), (33, 860860), (35, 811668), (39, 728420), (42, 676390), (43, 660660), (44, 645645), (52, 546315), (55, 516516), (60, 473473), (65, 437052), (66, 430430), (70, 405834), (77, 368940), (78, 364210), (84, 338195), (86, 330330), (91, 312180), (105, 270556), (110, 258258), (121, 234780), (129, 220220), (130, 218526), (132, 215215), (140, 202917), (143, 198660), (154, 184470), (156, 182105), (165, 172172), (172, 165165), (182, 156090), (195, 145684), (210, 135278), (215, 132132), (220, 129129), (231, 122980), (242, 117390), (258, 110110), (260, 109263), (273, 104060), (286, 99330), (301, 94380), (308, 92235), (330, 86086), (363, 78260), (364, 78045), (385, 73788), (390, 72842), (420, 67639), (429, 66220), (430, 66066), (455, 62436), (462, 61490), (473, 60060), (484, 58695), (516, 55055), (546, 52030), (559, 50820), (572, 49665), (602, 47190), (605, 46956), (645, 44044), (660, 43043), (715, 39732), (726, 39130), (770, 36894), (780, 36421), (847, 33540), (858, 33110), (860, 33033), (903, 31460), (910, 31218), (924, 30745), (946, 30030), (1001, 28380), (1092, 26015), (1118, 25410), (1155, 24596), (1204, 23595), (1210, 23478), (1290, 22022), (1365, 20812), (1419, 20020), (1430, 19866), (1452, 19565), (1505, 18876), (1540, 18447), (1573, 18060), (1677, 16940), (1694, 16770), (1716, 16555), (1806, 15730), (1815, 15652), (1820, 15609), (1892, 15015), (2002, 14190), (2145, 13244), (2236, 12705), (2310, 12298), (2365, 12012), (2420, 11739), (2541, 11180), (2580, 11011), (2730, 10406), (2795, 10164), (2838, 10010), (2860, 9933), (3003, 9460), (3010, 9438), (3146, 9030), (3311, 8580), (3354, 8470), (3388, 8385), (3612, 7865), (3630, 7826), (3913, 7260), (4004, 7095), (4235, 6708), (4290, 6622), (4515, 6292), (4620, 6149), (4719, 6020), (4730, 6006), (5005, 5676), (5082, 5590), (5203, 5460)]