87648330

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1997}}^1$

素因数の和:2044

約数の個数: 128

約数和(自身を含む): 276203520

約数和(自身を除く): 188555190

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 19, 21, 22, 30, 33, 35, 38, 42, 55, 57, 66, 70, 77, 95, 105, 110, 114, 133, 154, 165, 190, 209, 210, 231, 266, 285, 330, 385, 399, 418, 462, 570, 627, 665, 770, 798, 1045, 1155, 1254, 1330, 1463, 1995, 1997, 2090, 2310, 2926, 3135, 3990, 3994, 4389, 5991, 6270, 7315, 8778, 9985, 11982, 13979, 14630, 19970, 21945, 21967, 27958, 29955, 37943, 41937, 43890, 43934, 59910, 65901, 69895, 75886, 83874, 109835, 113829, 131802, 139790, 153769, 189715, 209685, 219670, 227658, 265601, 307538, 329505, 379430, 417373, 419370, 461307, 531202, 569145, 659010, 768845, 796803, 834746, 922614, 1138290, 1252119, 1328005, 1537690, 1593606, 2086865, 2306535, 2504238, 2656010, 2921611, 3984015, 4173730, 4613070, 5843222, 6260595, 7968030, 8764833, 12521190, 14608055, 17529666, 29216110, 43824165, 87648330]

約数ペア:

[(1, 87648330), (2, 43824165), (3, 29216110), (5, 17529666), (6, 14608055), (7, 12521190), (10, 8764833), (11, 7968030), (14, 6260595), (15, 5843222), (19, 4613070), (21, 4173730), (22, 3984015), (30, 2921611), (33, 2656010), (35, 2504238), (38, 2306535), (42, 2086865), (55, 1593606), (57, 1537690), (66, 1328005), (70, 1252119), (77, 1138290), (95, 922614), (105, 834746), (110, 796803), (114, 768845), (133, 659010), (154, 569145), (165, 531202), (190, 461307), (209, 419370), (210, 417373), (231, 379430), (266, 329505), (285, 307538), (330, 265601), (385, 227658), (399, 219670), (418, 209685), (462, 189715), (570, 153769), (627, 139790), (665, 131802), (770, 113829), (798, 109835), (1045, 83874), (1155, 75886), (1254, 69895), (1330, 65901), (1463, 59910), (1995, 43934), (1997, 43890), (2090, 41937), (2310, 37943), (2926, 29955), (3135, 27958), (3990, 21967), (3994, 21945), (4389, 19970), (5991, 14630), (6270, 13979), (7315, 11982), (8778, 9985)]